10.
For a giV(~ll isollletric view, draw its front view, top
view and sido view.
(CSE/E CEIl T-10810)
B.Tech. IH~GRf:E EXAMINA1'[ON, FEBHUAHY 2017.
(Supplementary)
First Year Paper VIII -
Semester
I~NGINEERING GRAPH ICS
(Regulation 20 I 0-11)
Time: T'hroo hours
Maximum: 70 marks
Answer ALL questions. UNIT I 1.
The major axis of an Ellipse is 150mm and minor axis is 100mm long. Find the foci and draw the ellipse. Draw the tangent for the ellipse at a point on 25 mrn from major axis.
Or 2.
A circle of 50 mrn diamot.or rolls along a straight line without slipping. Draw the curve traced out a point on circumference for complete revolution of the circle. Draw a tangent and by
normal to the curve at a point on it 40mm from the Ii no. ;j
(CSEIECE/IT-10810)
UNIT IV
UNIT II
7.
:1.
A !)()mm long line is inclined at :lO° to the II. P. its end A is 120101 above H.P. and 200101 in front of the V. P. its front view measures 65mm. Draw the top view and determine its inclination with the V.P. ·8.
Or 1.
Draw the projections of regular pentagon of 100101
UNITV
side, having its surface is inclined at :lO° to the
H. P. and a side parallel to H.P. and inclined 60° to V.P.
1\ cone, base 75 m m diameter and axis HOmm long is resting Oil its base on II. P. it is cut by section plane perpendicular to VY. inclined at 15° to II.P. and cutting the axis at a point :~5 mm from the apex. Draw the development of retained portion of a cone. Or 1\ sphere of 100101 dia is resting centrally on a square prism of side of base 60 mm and height 20 m m, draw its isometric projection of combination of solids.
n.
For a given isometric view, draw its front view, top view and side view.
UNIT III 5.
Draw the projection of cone, base 75mm diameter ami axis 100 0101 long, lying on the H.P. on one of its generators with axis parallel to V.P. Or
6.
1\ cylinder of 10 mill diameter, GO m m height
'Iih
having its axis vertical, is cut by section plane perpendicular to V.P., inclined 115° to [J.P. and intersecting the axis :~2 mrn above the base. Draw its front view, section top view and true shape Or
section. 2
(CSEIECEIIT-10810)
:~
(CSE/ECE/IT-I0810)
(CE/CSIECIEEIEIIIT/ME-21110) B.Tech. DEGREE EXA...vII0;ATION, FEBRUARY 2017.
(Supplementary)
Second Year -
First Semester
Paper I -l'vL-\ THEl'vl--\TICS -
III
(Regulation 2010-11)
Time: Three hours
Maximum: 70 marks
Answer questions No.1 is compulsory.
Answer ONE questions from each unit.
All questions carry equal marks.
(l4 x 1=l-!)
1.
(a)
From the partial differential equation z = ax + by
(b)
Solve
32
x
Z
--=-.J-Q.
y
cx cy
(c)
-i- a
Solve xp + yq
=
3z .
(d)
(e)
Find :- (3.5).
(f)
Computing
(g)
Fourier cosine transform of ((t) is - -
(h)
What is the linear property of Fourier transform?
(i) .
Write Newton's forward interpolation formula.
(j)
If ((x) = 3x 3
(k)
State Simpson's one -third rule.
(1)
Define Picard's method.
(m)
Write the working rule for Runge - Kutta method.
(n)
The solution of p
(9 7\
fJ I-, -
I .
\2 2)
-
2x 2 + 1, then ~3 ((x) is
T
q
= z is
2 .J
b2
.
UNIT - I
2.
(a)
Form the P.D.E. of the form z == x 2 ((y) + y2 ((x).
(b)
Solve p cos (x+y) q sin (x+y) ==z.
Or 3.
(a)
Solve (p2 + q2) Y == qz by char pits method.
(b)
8 2z 8 2z 8z Solve - -2+ - - - 6 - - = c o s (2x+y). _ax ax aye y2 UNIT II
-to
(a)
Prove that
(b)
Find '"
: I
the
'"' x cos x 3 Jo 'X
r
;--
1 j (2n + 1) I :rr (n +-) = I 2n 2 2 (n+1)
Fourier
transform
Hence
of
evaluate
.
SIn x cosx d X. ') ~
Or :J,
(a)
Find the fourier cosine transform of ((x) = 1 ! (1 + x 2 ) transform of ¢J(x) =x! (1+x 2 )
(b)
Hence derive fourier sine
.
.
Using Parseval's identity, show that "'f
0
t
2 ?
o (j.1.+r) (9+t-)
dt
:rr
==-.
10
UNIT III 6.
(a)
Apply factorization method to solve the equations 3x 3x
(b)
-L
T
2y + 7z == 4;
2x + 3y + Z = 5;
4y + z == 7 .
Using Newton's forward formula, find sin 52° , given sin 45° = 0.7071, sin 50° = 0.7660, sin55° = 0.8192, sin 60° == 0.8660.
Or 7.
(a)
Solve the difference equation Yn-2 - 3Yn-t-l + 2Yn == n 2 + 2n -1.
(b)
Given the values. x ((y)
5
7
11
13
17
150
392
1452
2366
5202
Evaluate ((9) using Lagrange's formula.
2
(CE/CSIECIEEIEIIITIME-21110)
UNIT - IV
06
8.
(a)
Use Simpson's one-third rule to find
Je-
x2
dx by taking seven·ordinates.
o (b)
· d t h e va1ue 0 f y lor c 0 1 b y P'lear d' s met h 0 d ' dv == y --x, y (0) ==. 1 F In x ==. , given t h at -" dx y+x
Or 9.
<-x:
x== 0.2, 0.4.
(a)
Use R-K method of forth order, solve dy == with y (0) == 1 at dx y- + x
(b)
Solve the equation Pxx + ,Uy y == 0 for the square mesh using Gauss - Seidal method.
1
2 I
I
1
.1
2
I
14I 5 1
5
4
3
(CE/CSIECIEEIEIIITIME-21110)
(EC/EE-21310) B.Tech. DEGREE EXA.:.vIIl\"ATIO)J, FEBRCARY 2017.
(Supplementary)
Second Year -
First Semester
CIRCUIT THEORY
(Regulation 2010-11)
Time: Three hours
Maximum: 70 marks
Answer Question No. 1 compulsory.
•Answer ONE question from each Unit.
1.
(a)
Define (i) Linear (ii) Bilateral (iii) Lumped (iv) Distributed elements.
(b)
Define (i) Tree (ii) Co-tree (iii) Links (iv) Twigs.
(c)
Define (i) Resonant frequency (ii) Quality factor (iii) Bandwidth (iv) Half power frequencies.
(d)
Derive h parameters in terms of Y parameters.
(e)
State Reciprocity theorem.
(f)
What is Natural and Forced response?
(g)
State initial and final value theorems. UNIT I
2.
(a)
Find EQCIVALENT RESISTANCE between X and Y terminals for the given network. ( 1-!)
Or
(b)
For the network shown, draw a graph. Select a suitable tree and obtain Tie Set Matrix and Cut Set Matrix. Also, write equations for branch voltages and branch currents. (2 + 4 + 4 + 4)
1..12-
UNIT II 3.
(a)
Determine power delivered to 5
n
resistor using Theveriin's and Norton's theorem. (7 + 7)
~--
~
j
--1'11\/\/\" ----~
Ix
'
(11'
(b)
Find form factor of the following waveform.
(14)
iJlJ:.J
uNIT III 4.
(a)
Prove that resonant frequency is geometric mean of half power frequencies. Derive the expression for frequency at which voltage across inductor and capacitor is maximum. (4 + 5 + 5)
Or' (b)
Find hand ABCD parameters for the following network.
(4 + 4 + 3 + 3)
11 I1L
2
(ECIEE-21310)
UNIT IV
Q.
(a)
Derive the transient response of a series RLC under following cases: (i)
Source free RLC circuit
(ii)
Source driven RLC circuit excited by constant voltage source.
(7 -i i)
Or (b)
Switch 51 is closed at t = 0, switch 52 is closed at t = 2 s and switch 53 is opened at t= 4s. Calculate i(t) for all t. Find i at t = 1 sec, t = 3 sec and t = 5 sec. (14)
3
(EC/EE-21310)
(EC/EE-21410) B.Tech. DI':GREE: EXAMINATION, FEBRUARY 20] 7. (Supplementary) Second Year - First Semester Electronics and Communications Engineering/Electrical and Electronics Engineering Paper IV -
ELECTRONIC DEVICE
(Regulation 2010-20] 1) Time: Three hours
Maximum: 70 marks
Answer Question No. ] is compulsory. Answer ONE question from each Unit. 1.
(a)
Define semiconductors.
(b)
Write two typical semiconductors materials.
(c)
Define term energy level.
(d)
Define super conductor.
(e)
What is diffusion?
(f)
Define a, jJ, r .
(g)
Define 5, 5', 5".
(h)
Write the two applications of pin diode.
(i)
What is cut in voltage for Si diode?
(j)
What is a thyristor?
(k)
What is law of mass action?
(I)
What is an amplifier?
(m)
What is a load line?
(n)
Defi nc hall effect.
UNIT III Ij.
(a)
(b)
model of the
Derive expressions for 5, 5', 5" . UNIT IV
5.
(a)
Distinguish between BJT and FET. Draw VI characteristics of FI'~T. Or
(b) (a)
MOLL
Or
UNIT I 2.
Explain I';BI';I{S transistor.
Explain about the method of determination of N or P - type materials.
Explain operation of intrinsic stanoff ratio.
U,I1'
and
derive
Or (b)
Derive expression for conductivity extrinsic semiconductor.
111
an
UNIT II 3.
(a)
Distinguish between Zener break down and avalanche breakdown. Or
(b)
Explain temperature dependence of diode characteristics. 2
(EC/EE-21410)
:3
(EC/EE-21410)
UNIT -IV
R.
(a) (b)
(EC/EE-21510)
Write the Maxwell's equations in differential and integral form for Time varying fields.
iJ =
If jj
=
10xci x -1ya y + I~zaz
fie / m 2 0"
= 0, Pv = O.
Or (a)
Derive the Maxwell's equations for loss less medium.
(b)
In region I, Z < 0 and region 2, Z > 0, 0"1 = 0"2 = 0, J~l = ax j o, y + 3o, z . Find i~2 where relative permitivitys are 1 and 2, respectively.
EXAMINATIO~, FEBRUARY
2017.
(Supplementary)
and
2 o'y m find the value of K to satisfy the
Maxwell's equation for region
9.
B.Tech. DEGREE
Second Year - First Semester
Electronics and Communication Engineering/Electrical
and Electronics Engineering
Paper V: ELECTROMAGNETIC FIELD THEORY
(Regulation 2010-11)
Ti me : Three hours
Maximum: 70 marks
Answer question No.1 is compulsory. Answer ONE question from each Unit. 1.
'1
(EC/EE-21510)
(a)
State Gauss's law.
(b)
Define magnetic field intensity.
(c)
State Stoke's theorem.
(d)
Define convection currents.
(e)
What are equations?
(f)
Write the relation between susceptibility and magnetic fluse density.
(g)
What is the use of boundary conditions?
the
applications
of
Laplace
(h)
UNIT - II
Write the equation for the capacitance of parallel plate capacitors.
1.
(i)
Define self-inductance.
(j)
Define magnetization.
(k)
Define the displacement current.
(1)
Define skin effect.
(m)
What is meant by Brewster angle?
(n)
Write the equation for snell's law.
Derive an expression for continuity equation.
(b)
Obtain the expression for the field (E) and potential (V) due to a small electric dipole oriented along Z axis. Or
5.
UNIT-l 2.
(a)
(a)
State and prove the Coloumb's law.
(b)
Four charges of 1
°
JIC
(a)
Derive the equation for the capacitance for a parallel-plate capacitors.
(b)
Derive the Poisson equations from the Gauss law.
are placed at corners
of a square. The coordinates of corners are
UNIT III 6.
(a)
State and explain the Ampere's circuit law.
(b)
Find the magnetic field strength itt, on the z-axis at a point P(O,O,h) , due to current carrying circulary loop, x 2 + y2 = A 2 in
(1,1,0), (1,-1,0) (-1,1,0), (-1,-1,0). Find the force on a charge of 50 JlC that is placed at (0,0,2). Or 3.
(a)
z
=
°plane.
Derive the electric field due to a point
Or
charge. (b)
A point charge
q=
30nc is located at the
7.
(a)
Derive the relation between magnetostatic field jj and magnetic vector potential A.
(b)
Derive the expression for energy stored and energy density in magnetic field.
origin in Cartesian coordinates. Find the electric pulse density D at (6,8,0) m.
2
(EC/EE-21510)
3
(ECIEE-21510)
(EC/EE21610)
B.Tech. DEGI{EE EXAMINATION, FEBRUARY 2017.
(Supplementary)
Second Year - First Semester
Electronics and Communications Engineering/l~lectrical
and Electronics Engineering
Paper VI- DIGITAL ELECTRONICS
(Regulation 2010-11)
Maximum: 70 marks
Time: Three hours
Answer Question No.1 compulsorily. Answer ONE question from each Unit. 1.
=
(a)
7E.C21O
(b)
Draw single hit comparator
(c)
(A + B) (B + C) (A + C)
(d)
Divide the 11001 dOl
(e)
What is the reflexive code?
(f)
What is the use of gray code?
(g)
What is the use of DE-MUX?
(h)
What is the use of preset in FF?
=
(i)
What is the churactcr-isticscquation?
(j)
What is logic gate?
(k)
Define flip-flops
(I)
What is 1{TL?
(m)
What is sequence generator?
(n)
Write the CMOS.
UNIT" I 1.
(a)
Explain Up/Down counters using flip-flops.
Or (b)
Draw ripple counter and explain its working. UNIT IV
5.
(a)
UNIT 1
(~xplain
RTI
l
2.
(a)
Using K-map method, obtain the minimal sum of product expression of the function y
=
J
and D'J'L family and compare
them.
I(O, 2, 3, G, 7, 8,10,11,12,15)
Or (b)
Draw
PLA
for
t; = I(2, :nJ2 = :L(O, I, 2) ,
:~
(ECIEE21610)
fl = :L(O,3).
Or (b)
Simplify
f
=
:L(3, G, 7,8,11,17,19,21,24,28).
UNIT II :J.
(a)
What is decoder? Construct 1 x 16 decoder using 3 x 8 decoders. Or
(b)
What is BCD? Design nCD to 7-scgment decoder. 2
(EC/EE21610)
(EC-21710) B.Tech. DEGREE Ex"..\.lvIINATION, FEBRCARY 2017.
(Supplementary)
Second Year - First Semester
ELECTRICAL TECHNOLOGY
(Regulation 2010.. 11)
Time: Three hours
Maximum: 70 marks
Answer Question No.1 Compulsorily.
Answer ONE question from each Unit.
All questions carry equal marks.
1.
(a)
A DC Shunt Generator is developing rated terminal voltage at some speed. If only direction of rotation is reversed; will the generator build up? Justify your answer. (1)
(b)
What is the necessity of conducting Swinburne's Test?
(c)
Mention relationship between Phase and Line values of Voltages and Current for both star and delta connected systems. (2)
(d)
A 3-phase, 50Hz, 8 pole alternator has a star connected winding with 120 slots and 8 conductors per slot. The flux per pole is 0.05 Wb, sinusoidally distributed. Calculate Induced Line EMF. Assume full pitch coil. (2)
(e)
A 6-pole induction motor is fed from 50 Hz supply. If frequency of rotor EMF at full load is 2 Hz, find full load slip and speed. (1)
(f)
A
10KVA,
2000/400
V
1-tp
transformer
(1)
hasR1=5D,
Xl=12D,
R2=0.2D,
X2 = 0.48D. Determine equivalent impedance (ii) referred to secondary.
of
transformer
(i)
referred
to
primary (2)
(g)
Determine the value of torque established by a 4-pole motor having 750 conductors, two paths in parallel, 20m\Vb per pole when total armature current is 60 A. (1)
(h)
Define Critical Field Resistance.
(1)
(i)
Wny Generated EMF in DC Generators is called Back EMF in DC Motors?
(1)
(j)
Why OC test is conducted only on LV side of transformer?
(1)
(K)
What is function of commutator in DC machine running as DC Motor?
(1)
UNIT - I
2.
(a)
(b)
Mentions the reasons for compounding DC generators. Neatly sketch and explain the external characteristics of DC Compound Generators.
(5)
Explain significance of Back EMF.
(5)
(c) . A 100kW belt driven DC shunt generator runmng at 300 rpm on 200V bus bar continues to run as motor when the belt breaks, then taking 10kW. What will be its speed? Armature resistance is 0.025 ohms, shunt field resistance is 60 ohms and contact drop under each brush is IV.
(4) Or
3.
(a)
Explain with neat sketch, the working of operation of Three Point Starter. Mention its Merith and Demerits.
(b)
(8)
A DC shunt motor has output of 10kW at a terminal voltage of 240V. The mechanical and iron and frictional losses together amount to 500W. Armature resistance is 6.6 ohms. Shunt field resistance is 160 ohms Find (i) Power required to drive shaft at full load. (ii) Efficiency of generator at full load.. (iii) Efficiency of generator at half load. (iv) Output power at maximum efficiency. (v) Maximum efficiency of generator.
(vi) Load current corresponding to maximum efficiency.
(6)
UNIT - II -1.
(a)
What happens if DC supply is given to a transformer?
(b)
Comparing Auto transformer w.r.t Two Winding Transformer, explain in detail what
(2)
are the various advantages. Also, mention the various applications. (c)
(6)
A 600 KVA, I-phase transformer has efficiency of 92% both at full load and halfload at unity power factor. Determine its efficiency at 60% of full load at 0.8 power factor lagging.
(6) Or
::>.
(a)
Explain in
detail the
Star/Star and
transformer. (b)
DeltalDelta
connections of three
phase (7)
A 10 .KVA, 50001440 V, 25 Hz single phase transformer has copper, eddy current and hysteresis loss of 1.5, 0.5 and 0.6% of output on full load. What will be the percentage losses if the transformer is used on 10 kVA, 50Hz system keeping full load current constant? Assume unity power factor operation. Also, find efficiencies of transformer in both cases.
(7)
2
(EC-21710)
UNIT - III
6.
(a)
A 40kw, 3-phase Slip Ring Induction Motor of negligible stator impedance runs at a speed of 0.96 times synchronous speed at rated torque. The slip at maximum torque is -± times the full load value. If rotor resistance of the motor is increased by .5 times. determine speed at rated torque and at maximum torque. (7)
(b)
Explain in detail how a reduced voltage is obtained in 3-phase Induction Motor by means of Auto-Transformer Starter with suitable diagram. Also, mention Merits and Demerits. (7)
Or I.
(a)
Explain in detail with help of neat sketches and truth tables, the principle operation of Variable Reluctance Stepper Motor in all 4 modes. (7)
(b)
Describe the various starting methods of single phase induction motors.
(7)
UNIT- IV 8.
(a)
A 100kv, 3000V, .50 Hz, 3-
(b)
Explain with the help of phasor diagrams how voltage regulation of alternator can be determined by using Synchronous Impedance Method for (i)
Lagging power factor
(ii)
Leading power factor
(iii)
nity power factor
(7) Or
9.
(a)
What are different starting methods of Synchronous motors.
(6)
(b)
Bring out atleast 8 differences between Salient and Non-salient pole Alternators.
(8)
3
(EC-21710)
(CS/IT 22110)
UNIT III
1.
(a) (b)
Define principle of least squares. Explain the method of last squares.
B.Tech. DEGREE EXAMINATION, FEBRUARY 2017.
Fit the curve of the form y = ae 11x to the following data. x: 77 100 185 239 285 y: 2.4 :3.4 7.0 ]1.1 ]9.6
(Supplementary)
Second Year -
Computer Science and Engineering/Information
Technology
Or (c)
Three process A, 13 and C are tested to see whether their outputs are equivalent. The following observations of output are made. A 10 12 13 11 10 14 ]5 ]3 13 9 1] 10 12 13 C 11 ]0 15 14 12 13
Paper I -
5.
Time: Three hours
Explain P chart
(b)
Explain exponential model in life testing. Or
(c)
What do you understand by acceptance sampling procedure? State its uses giving illustrations.
(d)
Examine the need for techniques in production.
4
quality
control
(CS/IT 22110)
Maximum: 70 marks
Answer question No. 1 is compulsory.
Answer ONE question from each Unit.
1.
(a)
PROBABILITY AND STATISTICS
(Regulation 2010-11)
Carry out the analysis of variance and state your conclusions. UNIT IV
Second Semester
(a)
What is the p.d.f. of a binomial distribution.
(b)
Write the mean and variance of a uniform distribution.
(c)
Define population and sample.
(d)
Define sample distribution.
(e)
Define point of estimation.
(f)
Define S.E. of a sampling.
(g)
Draw r x c table.
(h)
Write the normal equations of straight line.
(i)
Draw ANOY 1\ table classification data.
(j)
Define regression.
(k)
Define confidence limits.
(I)
Define Weibull distribution.
(m)
What is reliability?
(n)
What is the quality control?
for
one
UNIT II
way :3.
(a)
Explain the procedure for testing of hypothesis. Pointed out the difference between one tailed and two tailed tests.
(b)
In a year there are 956 births in a town A, of which 52.5% were males, while in town A and B combined, this proportion in a total of 1,406 births was OA9G. Is there any significance difference in the proportion of male births in the two towns?
UNIT I
2.
=
(a)
Prove that in the normal distribution mean median = mode.
(b)
In a referendum GO% of voters voted in favour. A random sample of 200 voters was selected. What is the probability that in the sample. (i) (ii) (iii)
.More than 130 voted in favour
Or (c)
1\ sample of 1000 days is taken from meteorological records of a certain district and 120 of them are found to be foggy. What are the probable limits to the percentage of foggy days in the district.
(d)
A survey of 800 families with four children each revealed the following distribution.
Between 105 and 1:30 inclusive voted in favour
No. of boys:
0
1
2
3
4
120 voted in favour?
No. of girls:
4
:3
2
1
o
32
178
290
236
64
No. of families:
Or (c)
Discuss Fog-Normal distribution.
(d)
Discuss Beta distribution. 2
(CS/IT 22110)
Is the result consistent with the hypothesis that male and female births are equally probable.
3
(CSIIT 22110)
(ECIEE 22110) B.Tech. DEGREE EXA.l\HNATION, FEBRUARY 2017.
(Supplementary)
Second Year - Second Semester
Electrical and Electronics Engineering/Electronics and Communications Engineering
Paper I -Nli\THEMATICS -
IV
(Regulation 2010-11)
Time: Three hours
. Maximum: 70 marks
Answer Question No.1 is compulsory.
Answer ONE question from each Unit.
1.
(a) If I(z)= u(x,y)+ iu(x,y) is analytic. Then what is f(t)? (b) If 2x - x 2 + oy2 is to be harmonic. Then find" a". (c) Write the C-R- equations in polar form.
Ie
(d) Find the value of
3Z2 -'-
7z . 1
-r-
z+1
dz where C is the circle Iz 1= 1.
I~i
(e) Evaluate
I(x
2
-
iy)dz along the path y = x 2
.
o
(f) State Cauchy's theorem.
(g) Find the residue of the function
1- e"
at poles.
4
z
(h) Define principal part of Laurent series. (i) Evaluate (j)
Ie
Z2 - Z
Z
+1
-1
. dz where C IS
1
Z
I
1 2
= -.
Define regular point of a function.
(k) Find the residue of - - - - - at zcosz -'- sinz
Z
=
o.
1
(1) If
f Pn (x) dx = 2 , then what is n value? -I
(m) Legendre polynomial
P5 (x) =
).
(63x 5 -70x 3 + 15x, then what is the value of A?
(n) State the orthogonality property of Bessel's function.
UNIT I
2.
sin2x (a) Find the analytic function whose real part is - - - - - cosh2y -cos2x (b) If f(z) is an analytic function with constant modulus, show that f(z) is constant. Or
:3.
(a) Prove that C-R-equations in Cartesian form of an analytic function. (b) Prove that if f(z) =~I
xyl
is not analytic at the origin even though C-R-equations are
satisfied thereof.
UNIT II
.
-2~i
4.
(a) Show that for every path between the lines
J (2 +
Z)2
-2
(b) Using Cauchy's integral formula, evaluate
fc z: -1 dz cOQSJrZ
dz =~.
3
around a rectangle with vertices
2±i, -z±i. Or o.
(a) Expand f(z)=
1
in the region (i) 1
(z -1) (z - 2)
(b) Obtain the expansion of (z
~ 1)
z·
in a Taylor's series in powers of (z -1) and determine the
region of convergence.
UNIT III
3
6.
(a) Find the residue of f(z) =
z at its poles and hence evaluate (z _1)4 (z - 2) (z - 3)
lf.. f(z) dz
where C is the circle Iz 1= 2.5. de Joa+bcose
2;,
(b) Prove that
2Jr
~. 2-1 a
Or I.
801v'8 in series xy" + 2y' + xy
=
o. (ECIEE 22110)
UNIT IV
8.
(a) State and prove Rodrigue's formula for Legendre polynomials. (b) Solve x 2y" - xy' + 4x 2y = O.
Or 9.
(a) Prove that
P~(x)=xP~_I(x)+nPn_l(x).
(b) Show that for any function
f f(x) t; (x) dx = -1
f(x),
for which the
nth
derivative
IS
continuous
f (1- x") r (x)dx. 1
1
-n1
2 n!
?
-1
3
(ECIEE 22110)
(CE/CS/IT/ME22210)
B.Tech. DEGREE EXAMINATION, FEBRUARY 2017.
(Supplementary)
Civil Engg.!Computer Science/Information Tech.!
Mechanical Engg.
Second Year Paper II -
Second Semester
ENVIRONMENTAL STUDIES
(Regulation 2010-2011)
Time: Three hours
Maximum: 70 marks
Answer Question No.1 compulsory.
Answer ONE question from each Unit.
1.
Write briefly on
thel~OUHTEEN
(a)
Composing
(b)
Global warming
(c)
Food web
(d)
Elemental cycle
(e)
Water logging
(f)
Thermal pollution
of the following:
UNIT HI
(g)
Hot spots
(h)
Soil erosion
(i)
Thermal pollution
(j)
Geothermal energy
(k)
Watershed management
(I)
Soil erosion
(m)
Solar pond
(n)
Biodiversity.
G.
Or 7.
8.
Discuss about present environmental Issues on global concern.
Or :1.
Write about the resettlement and rehabilitation of people associated with any developmental activity of nearby your place. UNIT IV
UNIT 1
2.
What is "Sustainable Development"? Discuss the concept of sustainable development.
Or 9.
Write about the types of resources and discuss about the current status of major resources.
Discuss about the air and water prevention and control of protection act.
Write short note on : (a)
Chernobyl nuclear disaster
(b)
Bhopal gas tragedy.
UNIT 11 1.
Discuss causes, effects and control measures of water pollution.
Or .5.
Define water pollution and write the effects of water pollution on human health and also write an essay on oil poll ution and marine biota.
2
(CE/CS/IT/ME22210)
3
(CE/CS/IT/ME22210)
UNIT IV 8.
(a)
(b)
(CSIIT 22310)
Design of an op-amplificr with a closed loop gain of -20 and an output resistance of io i o.
B.Tech. DEGREE EXAMINATION, FEBRUAHY 2017.
(Supplementary)
Draw the equivalent circuit of Op-Arnp and explain its parameters.
Second Year - Second Semester
Computer Science and Engineering/Information
Technology
Or 9.
(a)
(b)
In an Op-arnp differentiator circuit, R = 10 M 0, C = 2 f1 F, Vi = 2.0 coswt . Find va of differentiator. Explain the operation of voltage controlled oscillator.
Paper III -
ELECTRONIC DEVICES AND CIRCUITS
(Regulation 2010-2011)
Time: Three hours
Maximum: 70 marks
Answer Question No.1 compulsory.
Answer ONE question from each Unit.
1.
<1
(CS/IT 22310)
(a)
Write the diode equation.
(b)
What is the value of ripple factor for a full wave rectifier?
(c)
Define hre of a transistor.
(d)
What is Barkhausen criteria?
(e)
Draw a circuit of a clipper.
(f)
What is the advantage of common collector amplifier?
(g)
What is CMRH and OPAMP's?
(h)
UNIT II
If the loop gain in equal to -1.0, then find the feedback gain. 1.
(i)
If A = 100,
1
(a)
What is the gate-source resistance if a voltage of -5V is applied between gate and source? The gate current is -1.2 nA.
(b)
Distinguish between JFET and MOSFET.
fJ = - , then find the sensitivity 10
of amplifier. (j)
What is the physical example of feedback path?
(k)
Define unity gain frequency.
(l)
Define trans conductance..
(m)
What is 'Q' point in a transistor circuit?
(n)
Define "intrinsic standoff ratio" of UJT.
Or 5.
(a)
Draw and explain the basic structure of an n channel field effect transistor. Also draw its VI characteristics.
(b)
Why is FET known as unipolar device'? Compare B,JT with FET. UNIT III
UNIT I 6. 2.
(a)
(b)
For an ideal diode find out the current in the series resistance of 0.5 k n if the forward bias voltage is 1.0 V. Explain about clipping operations with circuits.
and
(a)
Explain in detail current shunt feedback amplifier.
(b)
The harmonic distortion of 5.0% exists in an amplifier whose voltage gain is 200. Find out required feedback to reduce the distortion to 2%.
clamping
Or
Or 7. :l.
(a)
Draw V-I characteristics of Zener diode. Explain about Zener breakdown and qualanchc multiplication.
(b)
Explain how transistor acts as an amplifier. 2
(CSIIT 22310)
(a)
Explain two l3arkhausen conditions oscillations and explain the operation of phase shift oscillator.
(b)
Explain the oscillator.
operation
3
of
Wein
bridge
(CS/IT 22310)
(EC/EE 22310)
UNIT IV G.
(a) (b)
Explain CS amplifier at high frequency.
B.Tech. ImGREE EXAMINATION, FEBRUARY 2017.
Derive the expression for the bandwidth of cascade stages. Assume identical and non-interactive amplifier stages.
(Supplementary)
'n'
Or (c)
Explain direct coupled amplifier and its frequency response.
(d)
Explain the low frequency common drain amplifier and derive the expression for voltage gain.
Second Year -
Second Semester
Electrical and 1~lectronics Engineering/Electronics and
Communications Engineering
Paper III -
•
gLECTRONIC CIRCUITS -
I
(Regulation 2010-2011)
Time: Three hours
Maximum: 70 marks
Answer Question No.1 is compulsory.
Answer ONE question from each Unit.
1.
4
(EC/EE 22310)
(3)
Why the diode in DC power supply is used?
(b)
If the input supply frequency is 50 Hz, then find the output ripple frequency of bridge rectifier.
(c)
Define ripple factor.
(d)
Give the diode equation.
(e)
Which transistor configuration. has lowest input impedance?
(f)
A transistor has a base cur~ent of 500 f.1 A . and f.1 fJ of 85. Find the collector current.
(g)
A trunsistor has a collector current of 1 A and an emitter current of 1.01 A. Find its base current.
(h)
What is 'Q' point in a transistor circuit?
(i)
What is cascade amplifier?
U)
Define trans conductive of FET.
(k)
Define band width of an amplifier.
(I)
Draw the hybrid 'T' model transistor.
(m)
What is the relation between f,. and
UNIT II :l.
(a)
Draw and explain emitter coupled difference amplifier.
(b)
Explain the CC approximate model amplifier, derive current gain, voltage gain, input impedance and output impedance.
Or
In
of a
(c)
Draw the configuration of a cascade transistor amplif-ier and calculate the overall gain.
(d)
Analyse the CE amplifier using approximate h-paramctcr model.
transistor? (n)
Mention the capacitances present in BJT at high frequencies.
UNIT I 2.
UNIT III
(a)
Define regulation. Derive the regulation equation for a full wave rectifier circui t.
(b)
Discuss the working bridge rectifier.
1.
(a)
Derive the expression for the CE short-circuit current gain .1\, as a function of frequency.
(b)
Explain why the :l-dB frequency for current gain is not the same as III for voltage gain.
Or (c)
In a full wave rectifier, the pcack-inversc voltage across each diode is ao V. Find out the VRMS of" the input signal, VDC and VAC in
Or (c)
Derive the expression for input impedance for a CC amplifier at high frequency.
(d)
Analyze CC amplifier using llybrid- Jr model.
theouput.
(d)
Derive the expressions for ripple factor and PIV in a half wave rectifier. 2
(EC/EE 22310)
a
(EC/EE 22310)'
(EE 22410) B.Tech. DEGREE EXAMINATION, FEBRUARY 2017.
(Supplementary)
Second Year -
Second Semester
NETWORK ANALYSIS
(Regulation 2010-2011)
Time : Three hours
Maximum: 70 marks
Question No.1 is compulsory.
Answer ONE question from each Unit.
1.
(a)
What is phase sequence?
( 1)
(b)
Write the relations required to transform Star-Delta and Delta-Star.
(2)
(c)
Define network function and driving point network function.
(2)
(d)
Mention any two differences between driving point and transfer point network functions. (2)
(e)
What is difference between Constant K and
(f)
What is positive real function?
(g)
What are the conditions to be satisfied for a function to be called as Hurwitz function?
(h)
Why do we use Sturm's theorem?
M filters?
(2) (1) (2) (2)
UNIT I 2. . (a) (b)
Explain how 3-phase power can be measured using 2-wattmeter method. Also, derive the expression for power factor using 2-wattmeter method. (7) A series combination of 3 Q resistance and a 796.18 l-lF capacitor in each branch forms a star connected balanced load, which is connected to a 415 V, 3-phase, 50 Hz AC supply. Calculate (i) power consumed, (ii) line currents, (iii) if same load is connected to delta, determine line currents and power consumed. (7) Or
3.
(a)
(b)
An unbalanced four wire star connected load has balanced voltage of 400 V. The load impedances are ZR =(4+j8)Q, Zy =(3+j4)Q and ZB =(15+j10)Q. Calculate line currents, neutral current and total power.
(7)
Find current I L using Millman's theorem in the given circuit.
(7)
UNIT II
4.
(a)
Find G12 for the network shown.
(7)
'Ic..6.fL. --r-tVVr--r-JVvv--<:<
·ut..
(b)
Find the driving point input and output impedance for the network shown.
(7)
It{
rH
lit
Or 6.
(a)
(7)
Find Y-parameters for the given network. OJl l
+
2n
\ I
(b)
(7)
Find h-parameters for the network shown. JOId) +
+
J kQ
UNIT III 6.
(a)
Obtain the response of RC circuit for impulse excitation using Laplace transform method. (7)
(b)
The switch is closed at t = O. Obtain response in the circuit shown using Laplace transform method. (7)
+
lH
Or 2
(EE 22410)
7.
(a)
Using interconnection relations obtain Y parameters for the network shown. 2F
2F
20
(b)
2
2'1 1F
l' 0 - - - -
(7)
1U
-----..1.-----.1.-------02'
Obtain all the network function for the lattice network shown.
(7)
U2
V1
-
o---..'--~
UNIT IV 8.
(a)
_ _.n1-x0lHn£
=f.
12 H
(b)
(6)
Find the equivalent inductance for the coupled circuit.
~4 H
l)
~•
31 H
A coil having an inductance of 100 mH is magnetically coupled to another coil having inductance of 900 m H. The coefficient of coupling between coils is 0.45. Calculate equivalent inductance if two coils are connected in (i) Series Aiding (ii) Series Opposing (iii) Parallel Aiding (iv) Parallel Opposing. Or
9.
_
8(8 2 + 2) (8 2 + 4) in all four canonical forms. ? ? (8- +1)(8- +3)(8- +5)
Rea li ze Z() 8 -?
3
(4 + 4 + 3 + 3)
(EE 22410)
..
(I»
A Parson's reaction turbine has mean diameter of blades as I.f) m and rotor moving at 1500 rpm. The inlet and outlet angles are 80 0 and 20 0 respectively. Turbine receives steam at 12 bar, 200 0 C and has isentropic heat drop of 26 Kj/Kg. 5% of steam supplied in lost through leakage. Determine the following considering horse power developed in stage to be 600 hp. (i) the state efficiency (ii) the blade height.
(EE 22510) B.Tech.
Second Year - Second Semester Electrical and Electronics Engineering· Paper V -- PRlMI':
(a)
Explain pressure-velocity compounding of steam turbine with neat sketches.
(b)
Explain about comparison of 2 stroke and stroke engine and Sl and Cl engines.
MOVl~I{S
AND PUMPS
(Hogulation 2010-11) Time: Three hours
;1
Maximum: 70 marks
Answer question No.1 is compulsory. Answer
Or 9.
EXAMINATION, FEBIUJA1{Y 2017. (Supplementary)
UNIT IV 8.
J)1~GI{f<;I~
1.
ONl~
question [rom each Unit.
(a)
State point function and path function.
(a)
I~xplain the improvements to ideal cycle using inter cooling and reheat and regeneration.
(b) (c)
State specific speed of a centrifugal pump. State Newton's law of viscosity.
(d)
Explain reversible and irreversible process.
(b)
Ilow to performance of a gas turbine unit can be increased by inter cooling and regeneration processes? Explain with the help of schematic and 1'-8 diagrams.
(e)
List of advantages of high pressure boilers.
(f)
What is diesel cycle? State is practical applications.
(g) (h)
What are the different functions of nozzle? What is difference between turbine and pump?
(i)
Write the equation of force exerted by a jet on stationary vertical plate.
;1
(EE 22510)
(j)
(k) (I) (m) (n)
State Kelvin-Plank statement. Differentiate Sl engine and Cl engine. Define specific heat at constant pressure. Write the steady flow energy equation for steam nozzle. What is work ratio of a gas turbine'? UNIT I
2.
(a)
(b)
and mechanical efficiency is DO%1. Neglecting losses and blade thickness find out discharge through the pump and input power given by the diesel engine. UNIT II 1.
Derive an expression for the force exerted by jet of water on moving flat mate held inclined to the jet. A certain quantity of gas occupies O.14m: 1 at, 12.6 bar and 100° C. Calculate the change in internal energy if the gas is heated to a temperate of :lOO° C. Take C; = 1 K,J/KgK and
(a)
What. are differentiating features between a water and a fire tube hoilers?
(h)
How the I.e. engines are classified? Or
5.
(a)
Explain the differences between impulse and reaction turhi nes.
(h)
Design a pelton wheel to develop 200 KW shaft power when running at. 250 rpm and head availahle is 100m. Take the following data : C\ = 0.98, overall efficiency is 0.85
C" =0.72 KJ/KgK. Or
:l.
(a)
(b)
Explain the working of centrifugal pump and derive an expression for work done by centrifugal pump. 1\. centrifugal pump is coupled with diesel engine and running at 1000 rpm. The water enters the pump radially and velocity of flow is constant. through the impeller. The inside and outside diamet.ers of the pump are 20cm and 10 em. Take inlet and exit blade angles are 20° and 30°. Width of the vane at inlet is 2 em, overall efficiency of t.he pump is 70% 2
(EE 22510)
and speed rat.io 0 = 0.15. UNIT III
G.
(a)
Derive an expression for isothermal and adiabatic work done of a non flow process.
(h)
Derive the steady flow energy equation in first law of thermodynamics. Or
7..
(a)
Explain the differences among heat engine, refrigerator and heat pump with neat sketches. And also write the relations for efficiency and COP. :3 (EE 22510)
(CS/IT 22610)
B.Tech. DEGlmE EXAMINATION,
FI~Bl{UARY 2017.
(Supplementary)
Second Year -
Second Semester
Computer Science and Engineering / Information
Technology
Paper VI -- OPERATING SYSTEMS
(Regulation 2010 - 2(11)
Time: Three hours
Maximum: 70 marks
Answer the following questions.
All questions carry equal marks.
1.
Explain: (a)
Cache memory
(b)
Thread synchronization
(c)
Kernel
(d)
Principles of deadlock
(e)
Starvation
(f)
Paging
(g)
Virtual memory
(7 x 2 = 14)
UNIT IV
UNIT I ~.
(a) (b)
Explain lIO Communication techniques. What is a Process? Explain the states of a process with neat diagram.
R.
(a)
Write about 11 () buffering.
(b)
Write about Linux virtual file management.
Or
Or :~ .
(a) (b)
What is operating system? Explain. Write about Linux operating system.
UNIT 1.
(a) (b)
9.
.(a) (b)
Explain file system objects and operations. Explain file system mounting.
rr
What is Threads'? Explain processes and threads. Discuss the various methods of deadlock recovery.
Or 5.
(a) (b)
Write the consequences of using state machine. Explain in detail about multiprocessor OS.
UNIT ().
(a) (b)
ru
Explain Hardware and control structures. Difference between paging and segmentation.
Or 7.
(a) (b)
Explain about virtual memory. Explain Unix memory management. 2
(CS/IT 22610)
:~
(CS/IT 22610)
(EE 22610) B.Tech. DEGREE EXA1\IINATION, FEBRUARY 2017.
(Supplementary)
Second Year - Second Semester
ELECTRO MECHAl'JICS - II
(Regulation 2010-2011) Time: Three hours
Maximum: 70 marks Answer Question No.1 is Compulsory. Answer ONE question from each Unit.
1.
(a)
What is the function of-conservator tank near the transformer?
(1)
(b)
List the cooling methods of a transformer.
(1)
(c)
What. would happen if a power transformer designed for operation of 50 Hz were connected to a 500 Hz source of the same voltage? (1)
(d)
Why efficiency of a transformer is higher as compared to other electrical machines.
(e)
If the polarity of one of the transformers is reversed on a delta bank of single phase transformers that arranged for 3-phaseoperations, what would be the result? (1)
(f)
Justify "It is not possible to operate star-delta transformer in parallel with star-star or delta-star transformer". (2)
(g)
Why the slots on the rotor of an induction motor skewed?
. (h)
(1)
( 1)
Why is V/f ratio is kept constant while controlling speed of a 3-phaseinduction motor by varying supply frequency? (1) (2)
(i)
What is Crawling and Cogging?
(j)
Why rotor resistance starting is preferred to reduced voltage starting of wound rotor induction motor? (1)
(k)
What are the conditions under which rotor frequency is smaller/equal/greater than stator current frequency in an induction motor? (2) UNIT I
2.
(a)
Explain in detail how Core type and Shell type transformers differ from each other.
(b)
The maximum efficiency of a 500 kVA, 3300/500V, 50Hz, single-phase transformer- is 97% and occurs at 3/4 full load, unity power factor. If the impedance drop at full load is 10% calculate the regulation at full load 0.8 power factor lagging. (7) Or
(7)
3.
(a)
Explain in detail how the procedure how efficiency of a transformer is experimentally found out using Sum pner's test. Also, explain in what way is it advantageous when compared to OC and SC tests? (7)
(b)
A 20KVA 2500/500V, 50Hz I-ph transformer has the following parameters: HV. winding: R I = 8Q; Xl = 17Q; LV. winding: R z = 0.3Q; X z = 0.7Q. Find the voltage regulation and secondary terminal voltage at fill load for a p.f of (i) 0.8 lagging (ii) 0.7 leading. The primary voltage is held constant at 2500V. (7) UNIT II
-le.
(a)
Explain how a 2-ph supply can be obtained from a given 3-ph supply such that the primary side voltages are balanced. (7)
(b)
Three 400KVA, 11000/6600 V, 50Hz, I-ph transformers gave the following data when operated at rated current with their Iv windings short circuited. Transformer 1: 360V, 3025 watts Transformer 2: 400V, 3200 watts Transformer 3: 480V, 3250 watts
Find the KV A delivered to load without overloading anyone of the transformer.
(7)
Or Q.
(a)
What are the conditions for parallel operation of 3-phase transformers? Derive the expression for circulating currents under full load condition with Unequal voltage ratios for I-ph transformer (7)
(b)
A 3-phase step-up transformer is Connected to 500 J3 volts mains and takes a current of 240 Amperes. Calculate the secondary line voltage, line current and output at unity power factor for (i)
Star/Delta
(ii)
Delta/Star. Assume the turns ratio to be 12.
(7)
UNIT III 6.
(a)
Explain why starting methods are necessary for 3-phase induction motor. Explain Star-Delta Starters with the help of neat sketches. (7)
(b)
A 400 V, 50 Hz delta connected 3-phase induction motor gave the following test results. No load test: 400 V, 8.6 A, 1120 W (line values) Blocked rotor test: 130 V, 17.9 A, 1640
~V
(line values).
Stator resistance per phase = 2.45 Q, Draw the Circle diagram arid find the
parameters full load current, torque and slip. (7)
Or I.
(a)
Derive the relation between rotor power input, mechanical power developed and rotor copper loss of a 3-phase induction motor. (7)
(b)
A 110 V, 3-phase, star connected induction motor takes 25 A at a line voltage of 30 V with rotor blocked. With this line voltage, power input to motor is 44 W. The de resistance between a pair of stator terminals is 0.15 Q. If the ac to dc resistance is 1.6, find equivalent leakage reactance per phase of rotor and stator. Also find rotor resistance per phase. (7) 2
(EE 22610)
UNIT IV
8.
(a)
Explain the principle of operation of induction generator with the help of phasor diagrams. (7)
(b)
In a double cage induction motor, if the outer cage has an impedance at standstill of (2 + j2) n and inner cage has an impedance of (0.5 + j5) n. Determine the slip at which two cages develop equal torques. (7)
Or 9.
(8.)
(b)
Develop the equivalent circuit of single phase induction motor sing double revolving theory (i)
At standstill and
(ii)
Running conditions.
(7)
The following data pertains to a 230 V, 50 Hz, I-phase capacitor start induction motor at standstill : Main winding:
100 V, 2 A, 40 W
Auxiliary winding:
80 V, 1 A, 50 W
Determine the value of capacitance for obtaining maximum starting torque.
3
(7)
(EE 22610)
UNIT IV H.
(CS/IT 31310)
(a)
State and explain the closure properties of context free languages.
(b)
Design a 'I'M for recognizing the language of palindromes over the input alphabet {a, b}. Show the movce of the 'I'M for the string (J, b b b b a.
B.Tech. DEGI{EE EXAMINATION, FEBRUARY 2017. (Supplementary) Third Year First Semester Computer Science and Enginecring/l nformation Technology
Or !).
(a)
What is insl.ant.ancoua doscr iption of a 'I'M? Briefly explain.
(b)
What are undecidable problems? Explain why PCP problem iH considered undecidable.
Paper III
AUTOMATA THEORY AND FORMAL LANGUAGES (Regulation 2010-2(11)
Time: Three hours
Maximum: 70 marks
Answer question No.1 is compulsory. Each Unit carries 14 marks. 1.
(a)
What is difference between I)FA and NFA?
(b)
List out the applications of finite automata.
(c)
Differentiate between NPDA and ])P])J\.
(d)
State pumping lemma for regular sets.
. (e)
-1
(CS/IT 31310)
Why computable functions are needed in the context of 'I'M?
(I)
(g)
What is examples. l'~xplain
ambiguous
Give
5.
(a)
I<~xplain
all the properties regular languages.
Prove it.
GNF. UNIT
2.
grurnme r?
(b)
r
r'~xplain
about right linear and left linear
regular gram mer.
(a)
Explain extended transition function and its properties of DFA and NFA.
(b)
Construct an NFA to equivalent to the following RElO + (10 + 11)0 * 1 .
UNIT III G.
(a)
When
do
we
say
that a
PDA is
non
deterministic? Design a PDA for recognizing the language of palindromes over the input
Or
alphabet {a, b}. ~l.
.(a)
(b)
Design a nl~A to accept a language where L == {wi w has both an even number of O's and an even number of 1'so
(b)
Convert Chomsky
Explain the central concepts of automata theory.
(a)
(b)
normal
grammer
into
form A -» OlXY,X -»
Or
Construct a regular expression for the language which accepts all strings with atleast two C's over the set L == {c,b}.
7.
(a)
the procedure for converting a PDA language L by final state
into a rDA which accepts the L by empty
that the following language In regular using pumping lemma 'H l L == {a"b In > o}.
stack. (b)
Or
I~xplain
which accepts a
Prove non
2
following
Lxv 1/;, YXa I X II: .
UNIT II 1.
the
State and explain the pumping Lemma for context free grammers.
(CS/IT 31310)
~l
(CS/IT 31310)
UNIT 111 1.
(EC/EE 31310)
(a)
Explain why the impedance of a parallel resonant circuit is maximum at a resonance.
B.Tech. DEGREE EXAMINATION, FEBRUARY 2017.
(b)
Draw the secondary tuned amplifier with FET and derive the expression for band width.
(Supplementary)
(c) (d)
Or Explain the advantage in using doubled tuned circuit over the single-tuned. A tuned amplifier have a gain of 100 for center frequency of 10.7 MHZ. A FET with qm = 5 MAN and rd = 100 ko. in to be used. Calculate tank circuit parameters.
Third Year -
Electronics and Communications Engineering/
Electrical and Electronics Engineering
Paper III -ELECTRONIC CIRCUITS -
Time: Three hours
Answer ONE question from each Unit.
How to aviod power loss in R c ?
(b)
Explain the limitations of unregulated power supplied. Draw and explains block diagram of regulated power supply.
'1.
(a) (b)
Or (c)
What in SMPS? Explain the principle of operation of SMPS.
(d)
Explain the regulator.
of
(c)
voltage-shunt (d) (e)
1
Maximum: 70 marks
Answer Question No.1 compulsorily.
(a)
working
II
(Regulation 2010-11)
UNIT IV
5.
First Semester
(EC/EE 31310)
What is the main function of the transformer used in the output of a power amplifier? Why to heat sinks are used in power amplifier circuits? A transformer coupled class A power amplifier has a load of 1000. on the secondary. If the terms ratio is 10: 1, What is the value of load appearing at the primary. Draw the block diagram of voltage-series feedback topology. Maximum efficiency of a class B- amplifier.
Different classifications of feedback topologies. (g) What is the negative feedback in an amplifier? (h) . Why introduction of feedback in an amplifier increases the input impedance from 1l~0 to (I)
(c)
push-pull
(j) (k)
(1) (m) (n)
UNIT 2.
(b)
(ii)
in
gets
distorted
due
to
harmonic
UNIT II :3.
(a)
Explain how the negative feedback is an amplifier helps in reducing the disLortion and noise.
r
What is the power delivered to the load? Calculate the efficiency of amplifier. Assume supply voltage of 20 V, load resistance of 200 and turns ratio of 2: 1.
(EC/EE 31310)
Draw the circuit diagram of current-series feedback topology and derive the expression for i/p resistance and output resistance with feedback.
Or (c)
State and explain two specific applications of an emitter-follower circuit.
(d)
Or 2
of
distortion.
Draw circuit diagram of a single ended power amplifier circuit. Explain the function of each component used in this circuit. A transistor connected in class A power amplifier circuit has fJ =50. (i)
instead
Define Harmonic distortion. How the output signal
(b) (a)
circuit
parallel. (d)
Why an emitter-follower circuit in widely used in electronic instruments. What is the name of an amplifier of pass band 400 kHz? Define rectifier. What are radio frequency oscillators? When tuned voltage amplifier arc not used? Expression for grain due to negative feedback.
amplifier
connecting the two transistors (or tubes)
40hn. (i)
State the advantages achieved by uamg a
Draw the basic block diagram of oscillator and explain bank Naurin criteria. :3 (EC/EE 31310)
(EC/EE31410)
B.Tcch. DEG REI-; EXAMINATION,
FT~BI{UARY 2017.
(Supplementary)
Third Year -
First Semester
Electronics and Communication l';ngineering / Electrical
and 1';lectronics Engineering
Paper IV -
OOPS AND OS
(Regulation 2010 - 2011)
Time: Three hours
Maximum: 70 marks
Answer ALL questions. 1.
(a)
What is OOPS?
(b)
What is an object?
(c)
Write two applications of OOPS.
(d)
What is last operator?
(c)
What is type casting?
(f)
What is constructor?
(g)
What is turn around time of a process?
(h)
What is a page?
(i)
What is thrashing?
UNIT III
(j)
Define Virtual function.
(k)
What is Shell?
(I)
Write the opc'rators in C++.
(m)
What is a process control block?
(n)
What is the use of protected data members?
-1.
(a)
Explain overview structu res.
(b)
What are system calls? Explair. various types of system calls.
the
basic
operating
system
Or
UN[T I 2.
of
(a)
What is Explain.
concepts
of
(h)
What is procedure-oriented programming? What are its main characteristics?
(c)
Explain priority and round-robin scheduling algorithm. Calculate average waiting times with respect to both algorithms.
(d)
What are varIOUS evaluation models available to evaluation and select a scheduling algorithms? Explain.
OOPS?
Or (c)
Explain user basic data types.
(d)
Explain symbolic constants and reference variables.
UNIT II :3.
(a)
Explain friend and virtual functions.
(b)
Explain memory allocation for objects. Or
(c)
What are default arguments? Explain with a problem.
(d)
Explain multiple constructors in a class through a program. 2
(EC/EE31410)
UNIT IV
G.
(a)
Explain logical versus physical address space and swapping.
(b)
Explain segmentation necessary diagrams.
with
paging
with
Or (c)
Consider the page-reference string 7, 0, l , 2, 0, :3, 0, 4, 2, 3, 0, 3, 2, 1, 2, 0, 1,7, 0, 1 and explain optimal and LRU page replacement algorithms.
:~
(EC/EE31410)
(CSIIT31510)
B.Tech. DEGRlm EXAMINATION, Fl~BRUARY 2017.
(Supplementary)
Third Year -
Firat Semester
Computer Science and I~nginecring/lnformation Technology Paper V -
DATABASE MANAGEMENT SYSTEMS (Regulation 20]0-2011)
Time: Three hours
Maximum: 70 marks
Answer ALL questions. que.stion No.1 is compulsory.
r.
(a)
What are the responsibilities of DBA?
(b)
Purpose of storage manager Explain.
(c)
Query optimization Explain.
(d)
Write short note on BCNF.
(e)
What in Jukebox system?
(f)
What is functional dependency?
(g)
Write short note on log based recovery.
UNIT IV
UNIT I ~.
R.
Explain architecture of DBMS in detail. Or
:1.
(a)
Explain about various notations used in 1';1{ diagram.
(b)
Draw an I~I{ diagram management systems.
for
I';xplain: (a)
Scriu lizahi lity
(b)
Recoverability. Or
hospital 9.
(a)
Explain about database security issues.
(b)
Doscriho the shadow paging.
UNIT II 1.
(a)
Explain specialization and generalization in I';I{ modeling with suitable example.
(b)
Briefly explain about UM L class diagrams. Or
5.
Explain about integrity constraints in detail. UNIT III
6.
(a)
Explain about dynamic multilevel indexes using B-Trees.
(b)
Explain about Hash-Based indexing. Or
7.
Take a un-norrnalizcd relation and apply the rules of 1st 2 nd :3 rd normal forms show the transformations at each stage. 2
(CS/IT31510)
:3
(CS/IT31510)
(EC 31510)
B.Tech. rmGHEE EXAM INA'['TON,
F~BHUAHY
2017.
(Supplementary)
Third Year -
Fi rst Semester
Electronics and Communications Engineering
Paper V -
ELECTRONIC MEASUREMENTS AND
INST [{UMENTATI0 N
(Regulation 2010 - 2(11)
Time: Three hours
Maximum: 70 marks
Answer question No.1 is compulsory.
Answer ONE question from each Unit.
1.
(a) (b) (c) (d) (e) (f)
(g) (h) (i) (j)
(k)
Define error. How many types of errors? What is DC ammeters? What is Calibration? . What do you mean by statistical analysis? What is analog of multiplexing? What is HVIYJ'? What is electromyograph? What is electrodes? What is strain gauges? What spectrum analyzer?
(I)
Give the names of any two bridges used for measurement of capacitance.
(m)
What is horizontal deflection?
(n)
Define sensitivity of a voltmeter.
UNIT III 4.
(a)
l'~xplain classification of transducers and analog transducers.
(b)
Write the advantages an disadvantages of thermocou pies.
UNIT I 2.
(a) (b)
(c)
(d)
Or
Explain about probability errors and limiting errors. Explain DC ammeters and DC voltmeters. Or Explain Wagner ground connection and show that it minimizes the stay capacitance effects in bridge circuit. Explain Maxwell's bridge for measurement for unknown inductance. Determine the condition for balance.
(c)
Describe the transducer.
(d)
Write about semiconductor strain gauges.
(a) (b)
(c) (d)
of
Piezo-electric
UNIT IV 5.
(a)
Explain digital data acquisition systems.
(b)
Describe the working of PC based data acq uisition system. Or
UNIT IT
a
operation
Explain AC voltmeters using rectifiers. Explain the working of a dual slope integrating Type DVM with necessary diagrams.
(c)
Name the components of digital data acquisition system and write the function of each component.
(d)
Explain about ECG and ERG.
Or Explain in detail cathode ray oscilloscope. Explain the working of a digital storage oscilloscope with a neat schematic block diagrams. 2
(EC 31510)
3
(EC 31510)
7.
(a)
Explain the operation of synchronous motor at constant load and variable excitation.
(EE 31610)
(b)
A 400 V, Y connected synchronous motor with Xa = 6 Q, X q = 4 n is running in
B.'l'ech. DEGREE EXAMINATION, FEBRUARY 2017.
parallel with infinite bus. If its field current is reduced to zero, find maximum load that can be put on synchronous motor. Also compute armature current at maximum power. Select armature resistance. ,
(Supplementary)
Third Year - First Semester
Electrical and Electronics Engineering
ELECTHO MECHANICS - III
Paper VI -
UNIT IV (Regulation 2010-11)
8.
(a) (b)
Explain repulsion applications.
motors
and
its Time: Three hours
Explain Stepper motor? Enumerate advantages and applications.
its
Maximum: 70 marks
Answer Question No.1 compulsory.
Answer ONE question from each unit.
Or (a)
Define distribution factor.
(a)
Explain the construction and working of variable reluctance stepper motor.
(b)
Draw the vector diagram of an alternator when it is supplying lagging load.
(b)
Explain the operating principle of linear induction motor and its applications.
(c)
What is slip test?
(d)
What is load characteristics?
(e)
What is direct load of EMF?
(f)
What is armature reaction?
(g)
Write the e.m.f. equation of sinusoidal flux.
(h)
What is theory of operation?
1. 9.
-1
. (EE 31610)
(i)
What are the conditions alternators in parallel?
(j)
What is V curve?
(k)
What are the modifications that are to be made to convert DC series motor into AC series motor?
(1)
What do condenser?
you
for
UNlT II
operating 1.
mean· by
(a)
Explain Blondel's two reaction method for salient pole machine.
(b)
A salient pole synchronous generator has following per unit parameters Xd12, Xql == 0.8, R, == 0.025. Computer excitation voltage on per unit basis when generator in delivering rated KVA at rated voltage and at a power factor of (i) 0.8 lag (ii) 0.8 lead.
synchronous
(m) What is hunting? (n)
Or
What is a stepper motor? 5.
UNIT I 2.
(a)
Explain harmonics in generator voltage and their suppression.
(b)
A 3 phase 16 pole alternator has following data; Number of slots 192 ; conductors per slot 8; Coil span == 150 electrical degrees; speed of the alternator 375 rpm; Flux per pole == 5? mWb. Calculate induced emf per phase.
(a)
Explain the operation of two generators in parallel with a neat circuit.
(b)
A 3 phase star connected alternator has synchronous impedance of (1 + j 10) ohms per phase. It is operating at constant voltage of 6.6 KV and its field current is adjusted to give an excitation voltage of 6.4 KV. Find power output, armature current and power factor ender conditions of maximum power output.
UNIT III
Or 3.
(a)
Experimentally explain the way of finding synchronous impedance.
(b)
Derive the expression for regulation of an alternator when it is supplying lagging load. 2
(EE 31610)
6.
(a)
Explain the variation of current and power factor with excitation.
(b)
Explain on power circles. Or
3
(EE 31610)
(CS 31610) B.T()ch. I)I<~GREI'~ (Supplementary) EXAMINATION, FEBRUARY 2017. Third Year - First Semester Computer Science and I~nginecring Paper VI -
ADVANCED UNIX PROGRAMMING (l{egulation 2010-2011)
Time: Three hours
Maximum: 70 marks
Answer QucHtion No.1 is compulsorily. Answer ONE question from each unit. 1.
W ri te short note on the following. (a)
socket
(b)
shell
(c)
vicditor
(d)
sync ( )
(e)
link ()
(f)
wall ( )
(g)
exec ( )
(h)
fchmod ( )
UNIT III (i)
S()/lwphore
(j)
signal ()
(k)
fork ( )
(I)
alarm ()
(rn)
pipe
(n)
iocti ( )
11.
(a)
(b)
I<:xplain about four regular file management system calls. Or
(b)'
Explain in detail about file locking and dead locks. UNIT IV
UNIT 2.
(a)
5.
r
What is vieditor'? Explain different types of editor is commands. Explain in detail Unix architecture.
(a)
How many types of signals. I<~xplain about terminal signals'? Or
(b)
Write in detail about resuming process and control terminals.
Or (c)
Discuss about the file handling i.n UNIX.
(d)
Explain in detail about Network utilities. UNIT II
3.
(a)
Explain about the functions of the shell. Or
(b)
Write about predefined envjronment variables and predefined local variables. 2
(CS 31610)
3
(CS 31610)
7.
l~'1R
Design an ideal response
lhl(e
j
"' )
lIPF with a frequency
~ 1 for i ~ I w I ~ n = 0
for
/1,
I w I _~ -~. Find the values of h(n) for N
=
(EC/EE 32410) B.Tech.
l)EGREl'~ I~XAMINATION, FEBRUARY
11. Find
(Supplementary)
1.
plot the hamming window. II(Z)
magnitude
response
using
Electronics and Communication Engineering/Electrical
and l~lectronics Engineering
UNIT IV 8.
Third Year -
Obtain the parallel realization for the following H(Z) using partial fraction expansion r.
2017.
PaperIV -
8Z:l -1Z z + llZ-2
Second Semester
DIGITAL SIGNAL PROCESSING
(Regulation 2010-11)
11(Z) = . ----.---..- '- - . - - - .
(Z~~)(Z2_~+~J
Time: Three hours
Maximum: 70 marks
Answer question No.1 is compulsory.
Or Answer 9.
Using bilinear transformation method, design a high pass filter with cut of frequency of 500 Hz and down 10 dB at 200 HZ. The sampling frequency is 2000 HZ.
1.
(EC/EE 32410)
1.
ONl~
question from each Unit.
(a)
What is digital signal processing?
(b)
Define Z-transform.
(c)
What is parseval's relation?
(d)
State initial value theorem of Z-transform.
(e)
What is Gibb's phenomenon?
(f)
Write any two characteristics of Butterworth filters.
(g)
What is one-sided Z-transform?
UNITII
(h)
Define Canonic.
(i)
What is Cascade?
(j)
Give two properties of
(k)
State convolution property of DFT.
(I)
What is an LTI system?
(m)
What are the various methods to design digital IIR filters?
(n)
What is DFS?
1. fIl{
filters.
(a)
5.
(h)
Determine the frequency response, magnitude response and phase response for 1 1 the system y(n) +- y(n -1) = x(n) --x(n -1). 2 2 A LTI system is characterized by its impulse response h(x)
=
(-1)"
J -1
p(n). Is the system
causal? As the system BlBO stable?
State and prove shifting property in D1<'T.
(b)
Find
(a)
Explain decimation FF'I' algorithm.
(h)
Find DFT of the sequence X(n) = {l, - 1,0,1,
(a)
Determine
the
inverse
Z-transfonn
of
1
x(z) "- - - - - - - . (z - 2) (z - :3)
(h)
In
frequency
0, -1, 1, ·I} using DlT FFT algorithm.
UNIT III G.
Design an lIR digital filter that will satisfy. The following equivalent analog specification. (a)
Low pass filter with -1 dh cut off at 100 rad/scc,
(b)
Step hand attenuation of 35 dh or greater than 1000 ir rad/sec.
(c)
Monotonic stop hand and pass band.
.(d)
Sampling rate of 2000 samples/sec.
Or
:1.
ID[i'T of the sequence X(K) = {O, -I, J, J, 2 + J, 0, 2, - i. - J, -1 + J} using lDFT radix 2 DlFDFT algorithm. Or
UNIT I ~.
(a)
1[
Or
State and grove correlation properties of Z-transforms. 2
(EC/EE 32410)
:3
(EC/EE 32410)
UNIT IV
5.
(a)
(b)
(EC/EE32210)
Design an absolute multi-vibration using 555 time IC for a frequency of 50 KHz with 40% duty cycle and explain its operation.
B.Tech. DEGREg EXAMINATION, FEBRUARY 2017.
(Supplementary)
Explain phase locked loops.
Third Year -
Or
= 1 KHz,
(c)
Desi.gn a band pass filter with fr Q = 3 and AI<' = 10.
(d)
Draw the block diagram of 565 PLL and explain the role of each block.
Second Semester
Electronics and Communications Engineering/Electrical
and Electronics Engineering
Paper II -
LINEAR ICs AND APPLICATIONS
(Regulation 2010-2011)
Time : Thr~e hours
Maximum: 70 marks
Answer Question No.1 compulsory.
Answer ONE question from each Unit.
1.
1
(EC/EE32210)
(a)
Define stability.
(b)
What is op-arnp?
(c)
What is input offset voltage?
(d)
Define slow rate.
(e)
Define lock range.
(I)
Why level transporter circuit used with the cascade differential amplifier?
UNIT II
(g)
Define the passive filter.
(h)
What phase locked loop?
(i)
Define comparator.
(j)
Define input bias current.
(k)
What is zero crossing detector?
(l)
Write the principle ofoscillator.
(m)
Draw the circuit of positive clipper.
(n)
Draw the pin diagra m ofT C 741.
a.
(a)
Draw the circuit of triangular wave generator, obtain the expression for its frequency and peak to peak amplitude of the output voltage signal.
(b)
Explain triangular wave generator and saw tooth wave generator.
Or (c)
Explain the working of Schmitt trigger with the help of neat circuit diagram.
(d)
Explain phase shift oscillator and Wein bridge oscillator.
UNIT J 2.
(a)
Draw
the
block
diagram
amplifier and explain. (b)
UNIT III
of operational 1.
Explain block diagram
(a)
Explain the operation of R _.~ R ladder D/A converter with neat circuit diagram.
(b)
Explain D/A conversion fundamentals and weighted resistor summing D/A converter.
representation of
feedback configurations.
Or (c)
amplifier and explain it. (d)
Or
Draw the circuit of voltage shunt feedback
Explain
non-linear
op-amp
circuits
and
precision rectifiers. 2
(ECIEE32210)
(c)
Draw the circuit of peak detector and explain it.
(d)
Explain successive converters. :3
approximation
ND
(EC/EE32210)
(CS/IT 3·2210)
B.Tech. DEGREE EXAMINATION, FEBRUAHY 2017. (Supplementary) Third Year - Second Semester Computer Science and Engineering/Information
Technology
Paper II -
COMPILER DESIGN
(Regulation 2010-2011)
Time: Three hours
Maximum: 70 marks
Answer question No.1 compulsory.
Answer ONE question from each Unit.
1.
Explain the following briefly: (a)
DAG
(b)
Regular expression
(c)
Difference between phase and pass
(d)
Difference between synthesized attribute and inherited attribute.
(e)'
Bottom-up parsing
(f)
Different intermediate codes
(g)
Top down parsing.
UNrT r 2.
(a)
UNIT IV
Explain various phases of compiler.
5.
(a)
Or (b)
Construct the combined transition diagram for the above specification of 'C' language.
Write syntax directed translation scheme for arithmetic statements and generic intermediate code for the following expression: {id = -6 + 1 * a}
Or UNIT II :3.
(a)
(b)
Construct LR(l) parsing table for the following grammar with detail algorithm.
S ---+ L = R , R---+L.
S ---+ R ,
I., ---+ * R .
Explain the following: (i)
Boolean expressions
(ii)
Back patching.
L ---+ id,
Or (b)
Describe the mechanism in constructing simple LH parsing table and write LR parsing algorithm.
UNIT III 1.
(a)
Explain different symbol table.
phases
that
uses
the
Or (b)
I~~xplain with neat diagrams and examples various storage allocation strategies in a compiler.
2
(CS/IT 32210)
3
(CSIIT 32210)
UNIT IV
G.
(a) (b)
(EC/EE 32310)
Draw and explain the architecture of 8051 micro con trollers.
B.Tech. DEGREI'~ EXAMINATION, FEBRUARY 2017.
Explain the terms (i)
Band rate in the 8051
(ii)
SCON registers
(Supplementary)
Third Year - Second Semester
I'~lectronics and Comm unications Engineering/Electrical
and Electronics Engineering
Or (c)
Interface ADC to 8051 micro controller. Give its spcci fica Lions.
(d)
Write an 80G] program to add ten decimal bytes.
Paper 111 - MICROPROCESSORS AND
MICROCONTROLLEHS
(Regulation 2010-11)
Time: Three hours
Maximum: 70 marks
Answer question No.1 in compulsory. Answer ONE question from each Unit. 1.
1
(EC/EE 32310)
(a)
Write addressing modes of 8 bit micro controller.
(b)
Define addressing mode.
(c)
What is microprocessors?
(d)
Define machine cycle.
(e)
What is key bouncing?
(f)
What is debugger?
(g)
Define resolution of DAC.
UNIT
(h)
What is interfacing?
(i)
What is stepper motor?
(j)
What is ASSUME directive in 8086'1
(k)
What is the difference between minimum
:l.
n
(a)
I~xplain
(b)
Discuss various assembly language program
8086 program development steps.
development tools.
mode and. maximum mode configurations of 8086'1
Or
(1)
Write ADD instruction in 8051.
(m)
What is meant by programmable port?
(n)
What is type 0 interrupt in 8086'1
(c)
micro controllers. (d)
(a)
Explain
the
With an example, show how memory can be interfaced to 8086.
UNIT I
2.
Discuss about interrupt structure of 8051
importance
of
UNIT IfI
merrrory
segmentation. Explain different segments in 4.
micro controllers.
(a)
Draw
and
explain
how
DAC
can
be
interfaced to 8086. Generate square wave (b)
Explain the functions of 8086 DT/ Rand
form using this.
DEN signals. (b)
Explain the following 8086 instructions with
principle
devices
Or
examples (i) AAA (ii) DIV (iii) MOVSB. (d)
programmable
8254 and 8259.
Or (c)
Explain
What is a instruction and explain briefs about the instruction format of 8081 micro controller?
(c)
Explain maximum mode operation of 8086.
(d)
Explain specifications and different types of DACs and interfacing.
2
(EC/EE 32310)
3
(EC/EE 32310)
7.
(a)
Discuss the operation of :3 phase 180 0 mode inverter with neat circuit and waveforms.
(EE 32510)
(h)
Discuss the operation of McMurray Bedford inverter with necessary waveforms.
B.Tech. DEGREE EXAMINATION, FEBRUARY 2017.
(Supplementary)
UNIT IV 8.
Third Year (a) (h)
Explain the principle of choppers-step up and step down choppers.
I<:lectrical and Electronics Engineering
Derive the expression for output voltage of a cycloconvcrter.
Paper V -
(a)
(h)
With the help of a neat diagram explain the operation of a bridge type single phase to single phase cycloconvertcr. . An HLE load is operating in a chopper circuit from 500 V de source for the load, L = 0.06 H and R = o. For a duty cycle of 0.2, find the chopping frequency to limit the amplitude of load current excursion to 10 A.
4
POWER ELECTRONICS
(Regulation 2010-2011)
Or ~).
Second Semester
(EE 32510)
Time: Three hours
. Maximum: 70 marks
Answer Question No.1 compulsory.
Answer ONE question from each Unit.
I.
(a)
What is the role of inductor in protection circuit of SeH?
(h)
Give any two comparisons between 1GBT and MOSFET.
(c)
What is ringing frequency?
(d)
What are the triggering methods of an SeR?
(c)
What is time ratio control in de choppers?
(f)
What is MOSFET?
(g)
What is the difference between modified McMurray inverter and the normal circuit given by McM urray?
(h)
Give some applications of cycloconvertcrs.
(i)
How harmonic reduction takes place by PWM?
(j)
What are the other names of step up and step down choppers?
(k)
Define step in inverter terminology.
(I)
Define single-phase inverters.
(m)
Define DC motors.
(n)
What type of communication is used McM urray Bedford inverter?
~l.
(a)
Explain firing circuits R, IW, U,J'I' and ramp comparator firing circuits.
(b)
Discuss about the triac triggering and turn off methods.
UNIT II 1.
(a)
Explain the half wave single phase controlled rectifier with neat circuit diagram and waveforms.
(b)
I~xplain three phase half wave converters with neat circuit diagram.
Or in
5.
(a)
Explain the following ~1 phase fully controlled bridge converter rectifier with neat circuit diagram and waveforms.
(h)
Discuss the operation of midpoint converter with H-L load (continuous) and derive the average voltage expression.
UNIT I 2.
(a)
Explain turn on and turn off process of GTO with necessary diagram.
(b)
It is required to operate 250-A SCR in parallel with 350-1\ SCR with their respective on state voltage drops of 1.6 Vand 1.2 V. Calculate the value of resistance to be inserted in series with each SCR so that they share the total load of 600 1\ in proportion to their current ratings.
6.
(a)
Explain the principal of inverter operation in detail.
(b)
Explain the reduction of harmonics in the inverter. Or
Or ~
UNIT III
(EE 32510)
3
(EE 32510)
2 cm wide ancl 2.5 cm high, with a moment of inertia of O.lG kg-rn''. If the galvanometer resistance is 200 Q. Calculate of the value of the resistance which when connected in the galvanometer terminals will give critical damping. Assume the damping to be entirely electromagnetic.
(EE 32610) U.Tech. DEGREE EXAMINATION, FEBRUARY 2017.
(Supplementary)
Third Year - Second Semester
Or
7.
(a) (b)
Electrical and Electronics Engineering
Explain calibration by Hilbert's magnetic standard B-H loop.
Paper VI -
A
ballistic galvanometer gives a first maximum deflection of 60 0 for a discharge 1000 icc. Find the quality of electricity which when discharged through this galvanometer gives rise to spot deflection of 10 divisions on millimeter, circular scale 1 metre away.
ELECTHICAL MEASUREMENTS
(Regulation 2010-11)
Ti me : Three hours
Maximum: 70 marks
Answer question No.1 compulsory.
Answer ONE question from each Unit.
UNIT IV 8.
(a)
(b)
Explain with neat sketch the construction and working of a linear variable differential transformer. Explain alternate and chop modes and its applications. . Or
9.
Write a short notes on the following: (a) LED display (b) 3 phase circuits (c) Thermocouple.
4
(EE 32610)
1.
(a)
What is moving iron?
(b)'
What is dynamometer?
(c)
What are called secondary instruments?
(d)
What is called synchroscope?
(e)
What is called creeping?
(f)
Write the principle of thermistor.
(g)
What is called turns compensation in case of CT?
(h)
Compare LED's with LCD's.
UNIT II
(i)
What is strain guagc?
U)
What is capacitance?
(k)
What is B-H loop?
(I)
Draw basic potentiometer circuit.
(m)
Mention type of AC potentiometer.
(n)
Define permeability.
1.
(a)
I<~xplnin the construction and working principle of CTs. Mention its applications.
(b)
A current transformer with five primary turns has a secondary burden consisting of a resistance of 0.16 Q and an inductive reactance of 0.12 Q when the primary current is 200 A, the magnetizing current is 1.5 A and the iron loss current is 0.1 A. Find the number of secondary turns needed to make the current ratio 100 : 1 and the phase angle.
UNIT I 2.
(a)
Explain classification of instruments.
(b)
Derive expression for deflection torque of MI type instrument.
Or
5.
(a)
Obtain the balance equation for Anderson Bridge used for measurement of capacitance. Derive the expression for loss angle and dissipation factor.
(b)
Explain how you measure the resistance with a Wheatstone's bridge. Derive the formula used enumerate the errors involved.
Or
a
(a)
A 230 volt, single phase, watt hour meter has a constant load of 5 ampere passing through it for 8 hours at 0.9 'p.f. If the meter disc makes 4968 revolutions during this period,
UNIT lIT
find the meter constant in the revolutions for kilowatt-hour. Calculate the power factor of
6.
(a)
Compare flux gal vanometer.
(b)
The coil of a moving coil galvanometer has 300 turns and is suspended in a uniform magnetic field of 0.1 wb/m-. The control constant is 0.2 x 10 6 N-m/rad. The coil is
the load if the number of revolutions made arc 2100, when operating at 230 volt and 6 ampere for 5 hours. (b)
Explain frequency meters and synchroscope.
2
(EE 32610)
meter
i3
with
Ballistic
(EE 32610)
(CS 41110)
B.Tech. DEGREE EXAMINATION, FEBRUAHY 2017.
(Supplementary)
Fourth Year - First Semester
Computer Science and Engineering
Paper 1- WfRELESS NETWORKS
(Regulation 2010-11) Time: Three hours
Maximum: 70 marks
Answer ALL questions. Answer ONE question from each Unit. Answer question No.1 is compulsory.
1.
(a) (b) (c) (d) (e) (f)
(g) (h) (i)
PART A Define spectrum Define modulation What is the use of MAC? Define frequencies. Define broadcasting. Define TETRA What is IMT 2000? Define Routing. What is infrared?
(j)
What is bluetooth?
(c)
Explain in detail digital video broadcasting.
(k)
What is time-out freezing?
(d)
(I)
What is cyclic reflection of data?
Explain the evolution of satellite communications. Discuss about the applications of satellite communications.
(m)
What is dynamic host configuration?
(n)
What is fast recovery?
UNIT If I 4.
PARTE
(a)
Explain infrastructure and Ad Hoc networks.
(b)
Explain in detail about mobile IP. Or
UNIT I 2.
(a)
(b)
Explain signal multiplexing.
(c)
Explain in detail about the frame format of IEEE 802.11.
(d)
Discuss about the dynamic configuration and AdHoc networks.
and
propagation
Explain about SDMA and FDMA.
host
UNIT IV
Or (c)
Explain about spectrum.
modulation
(d)
Explain in detail the specialized MAC.
and
spread
motivation
for
a
5.
(a)
Explain about traditional TCP and snooping TCP.
(b)
Discuss about the wireless session protocol and wireless application on environment. Or
UNIT II 3.
(a)
Explain in detail DECT and TETRA.
(b)
Explain about different communication satellites.
types
of
(c)
Explain in detail about wireless datagram protocol.
(d)
Discuss in detail about wireless transport layer securities.
Or
2
(CS 41110)
3
(CS 41110)
UNIT I
(EC/EE 41110) 2.
B.Tech. ])EGI{[';E EXAMINATION, FEBHUARY 2017.
What is Fayol's principle? principles of management.
I'~xplain
Fayol's the
Or
(Supplementary)
:l. Fourth Year - First Semester Electronics and Communications I~ngineering/ I<;lectrical and Electronics Engineering
I'~xplnin
the salient fcaturea of joint stock company and state its merits and demerits.
UNIT II 1.
Explain the concept of interest, compound interest and equivalent cash flow diagram.
Paper I : INDUSTRIAL MANAGEMENT
Or (Regulation 2010-11)
0.
Maximum: 70 marks
Time: Three hours
Define the term depreciation and explain the various methods of calculating depreciation.
UNIT III Answer Question No.1 is compulsorily.
G.
Explain functions of personnel management.
Answer ONE question from each unit.
I.
(a)
What is company?
limitations
of
public
(b)
What is joint stock company?
(c)
What is limited liability?
(d)
What is EPO?
(e)
I low many types of depreciation?
(f)
What is employment exchange?
(g)
What is ABC analysis?
Or
limited 7.
Define
motivation? Explain Maslow's I Iertzbcrg theories of Motivation.
and
UNIT IV H.
I<~xplajn I~OQ, }~PQ
and ABC analysis. Or
~) .
What. is purchasing? purchasing.
I~xplain
2
different methods of
(EC/EE 41110)
(CS 41210)
B.Tech.
nI':GR~E
EXAMINATION, FEBRUARY 2017.
(Supplementary)
Fourth Year -
First Semester
Computer Science and Engineering
Paper II -
DISTRIBUTED SYSTEMS
(Regulation 2010-2011)
Maximum: 70 marks
Time: Three hours
Answer ALL questions. Answer question No. 1 is compulsory. PART A 1. . (a)
,
Define client.
(b)
Define a distributed system.
(c)
What is hardware?
(d)
What is remote object?
(e)
Define Basic RPC.
({)
What is RARP?
(g)
Define thread.
(h)
What is internal clock synchronization?
(i)
Define protocols.
(j)
Define recovery.
(k)
Define MOM.
(1)
What is replication?
(m)
Write HB rules.
(n)
Define logical clock.
UNTT liT 4.
(a) . Define election and explain the different election algorithms. Or
(0)
Explain client-centric consistency model detail.
(c)
Explain the mutual exclusion algorithms in detail.
In
PARTB
UNIT IV UNITI 5. 2.
(a)
Explain software concepts in detail.
(b)
What in client - server model? Explain detail.
In
client-server
(a)
Explain about comrn unication.
(b)
Explain distributed commit and recovery.
reliable
Or · Or (c)
(c)
Explain about Sun NFS in detail.
Explain message oriented communication.
UNIT II 3.
(a)
Explain how naming is done is DIS and name resolution. Or
(b)
Explain threads.
(c)
Explain clients, servers and migration. 2
(CS 41210)
:3
(CS 41210)
(iii)
Find the efficiency of the amplifier, neglecting the beam loading.
(iv)
Calculate the conductance.
loading
beam
(EC41310)
B.Tech.
(d)
Compare and amplifier.
(a)
F\<~BInJARY 2017.
Fourth Year - First Semester
contract
TWT~
Klystron Electronics and Communications
Explain the amplification process ofTWT.·
Paper III -
UNIT IV
G.
EXAMlNATION, (Supplementary)
Or (c)
l)EGREB~
I~ngineering
MfCROWAVE ENGINEERING
(Regulation 2010-2(11)
Draw and explain about each block in the block diagram of microwave bench set up using reflective Klystron to measure
Time: Three hours
Maximum: 70 marks
Answer question No.1 compulsorily.
directivity of directional coupler? (b)
Explain the use of cavity frequency resonator in microwave bench. Or
(c)
Describe a microwave bench.
(d)
Explain in impedance.
detail
4
the
measurement
of
(EC41310)
Answer ONI~ question from each Unit.
1.
(a)
What is microwave frequencies?
(b)
Define cavities.
(c)
Define waveguide tees.
(d)
What magic tee?
(e)
Give the differences between Isolator and circulator.
(f)
Define S-Matrix.
(g)
List the application of waveguide twist.
(h)
Define Diodes.
(i)
What is IMPATT diode?
(j)
What is crystal detectors?
(k)
Define wave tube.
(I)
What are amplifier?
(m)
What Are the high frequency effects conventional tubes?
(n)
UNIT Il ~i.
the
applications
of
(a)
Explain characteristics of microwave tunnel diode are obtain the expression its resonance frequency.
(b)
Draw the equivalent circuit of PIN Diode and explain. While its applications.
Klystron
Or (c)
Draw the Band structure of tunnel diode and explain its V-I characteristics.
(d)
Discuss about the Avalanche trunsist time devices.
In
What is a VSWR meter?
UNIT III
UNIT I 2.
(a)
Explain Directional couples in applications of directional comply.
use
and
(b)
What id Faraday rotation? Explain how a three part circulator operates.
Or
(a)
Explain in detail (quantitative and qualitative) velocity modulation process of Reflex Klystron.
(b)
A two cavity Klystron amplifier has the following parameters. Vo = 1000 V , 10 = 25mA,
(c)
Draw and explain the E-plane, H-plane and magic tees.
(d)
Draw the schematic of magic tee along with field patterns. Write down its characteristics and S-Matrix. 2
4.
(EC41310)
d
=
R; = 40H2,
1 mm, L = 4 cm , R sh
"=
f = ~3GHz,
ao k0.
(i)
Find the input gap voltage to give maximum voltage VZ.
(ii)
Find the voltage gain, neglecting the beam loading in the output cavity,
3
(EC41310)
UNIT IV 8.
(CS/IT41310)
(a)
Explain about architecture of presentation layer with neat diagram.
the
(b)
Discuss the resource allocation and planning of the object-oriented projects.
B.Tech. DEGREE KXAMINATION, FEBRUAHY 2017.
(Supplementary)
Fourth Year - First Semester
Or
s.
(a)
Discuss the design and test in life cycle.
(b)
What is life cycle? Explain the analysis in life cycle.
Computer Science and Engineering/Information
Technology
Paper III - OBJECT OlUENTED ANALYSIS AND
DESIGN
(Regulation 2010-2011)
Time: Three hours
Maximum: 70 marks
Answer Question No.1 compulsory.
Answer ONE question from each Unit.
1.
Define the following: (a)
1
(CSIIT41310)
. What is pattern?
(b)
Define Agate.
(c)
What is development process of modeling concept?
(d)
CASE tools.
UNI'l' II
(e)
Consistency checking.
(0
System design.
(g)
What is sequence diagram?
(h)
Normalization.
(i)
Software Metrics.
(j)
Persistent object.
(k)
User documentation and trashing.
(1)
What Reuse?
(m)
What is managing iteration?
(n)
What extreme programming?
1.
(a)
Explain interaction sequence diagrams.
(b)
Explain component based development.
Or 5.
(a)
expression? (b)
between
sequence
and
UNl'l'III (a)
UNIT I (a)
Distinguish
collaboration diagrams.
6.
2.
What are the three components of most OCL
Explain qualities and objectives of analysis and design.
(b)
Draw a diagram of a railway reservation
What is design pattern? How to use design
.
patterns? What are the benefits and dangers
system.
of using patterns? (b)
What are user requirements? what must a requirement model do?
Or
Or 3.
7.
(a)
Discuss Advanced class.
(b)
Explain about CRC cards in detail.
(a)
Explain the measurable objectives in design.
(b)
Discuss
about
the
approaches
to
user
interface design.
2
(CS/IT41310)
3
(CSIIT41310)
UNIT IV
G.
(a)
Explain the operation of THSS.
(b)
Explain show frequency hopping.
(EC41410) B.Tech. DEGREE EXAMINATION, FEBRUARY 2017
(Supplementary)
Or (c)
Discuss the practical jammer types.
(d)
Explain about processing gain.
Fourth Year - First Semester
Electronics and Communications Engineering
Paper IV -
SATELLITE COMMUNICATIONS
(Regulation 2010-2(11)
Time: Three hours
Maximum: 70 marks
Answer Question No.1 is compulsory.
Answer ONE question from each unit. 1.
(a)
What is orbit?
(b)
Define sub satellite point.
(c)
Define prograde and retrograde.
(d)
What do you mean by elevation angle and slant range?
4
(EC41410)
(e)
What is meant by earth station look angles?
(f)
What do you mean by Traffic Burst?
(g)
What is guard time estimation?
(h)
What are different types of SDMf\?
(i)
Define SIN ratio.
(j)
Define the terms in Eclipse.
(k)
Define noise factor.
(1)
What is Diplesur?
(m)
What
are
the
UNIT II
:L
types
of
digital
(a)
(b)
Distinguish between multiplexing multiple access techniques.
and
(c)
Explain how attitude and orbit control achieved from an earth station.
(d)
Explain the features of FDMA.
speech
Define probability of error.
In
UNIT lIT
UNIT I 2.
Compare CDMA and FDMA.
Or
interpolation? (n)
(a)
4.
Discuss the orbital effects communication
(a)
Draw the block diagram of earth station and explain in detail.
(b)
Explain the features of VSAT.
system perform of a satellite. Or (b)
How do you locate the satellite with respect
(c)
to the earth? Or (c)
Describe
the
inclination
changes
of
a
Geostationary satellite due to the effects of sun and the moon. (d)
Give
a
brief
history
of
'0
A receiving system shown in figure has antenna noise temperature 60 0 K and receive noise figure 9 dl]. Find the system noise temperature.
:f~~~
'1
satellite
communications. 2
(EC41410)
:l
(EC41410)
(CS/IT 41410)
B.Tcch.
DEGImf<~
(Supplementary) I~XAMINATION,
Ff<~lmUARY 2017.
Computer. Science and Engineering/
Information Technology
Fourth Year Paper IV-
First Semester
T<~NTERPlUSE PROGRAMMING
(Regulation 2010-11)
Time: Three hours
Maximum: 70 marks
Answer question No.J is compulsory.
Answer ONE question from each Unit.
1.
Define the following: (a)
Byte code.
(b)
CO RBi\.
(c)
EBXML.
(d)
KJB container.
(e)
SOAP.
(f)
,JAXIL
(g)
WSDL.
UNIT IV
UNIT I 2.
(a) (b)
Discuss the
R.
Explain design patterns and frame works for J2I~E.
send
and
receive
a
Or Or
3.
Explain how to create, POP SOAP message.
D.
(a)
Explain in the session management of J2EK
(b)
Explain the data types used in XML schema.
Explain web services description language.
UNIT II
4.
(a)
Write a JSP program to illustrate the use of if and switch statements.
(b)
Explain security and query elements of EJB.
Or
5.
(a)
Explain enterprise java beans in detail.
(b)
What is Cookie? Explain its attribute.
UNIT III
6.
Explain java interface definition language and CORBA. Or
7.
Explain java mail API in detail. 2
(CSIIT 41410)
3
(CS/IT 41410)
UNIT IV
5.
(EC 41510-1)
(a)
Differentiate between programmable logic devices and programmable logic arrays.
(b)
Explain PAL and PLA architectures.
B.Tech. n~GHEE EXAMINATION, FEBRUARY 2017.
(Supplementary)
Or .
Fourth Year -
(c)
Explain about libraries and packages used in VHDL.
(d)
Write the VHDL code for 3 behavioral modeling.
x
First Semester
Electronics and Communications Engineering
Paper V -
8 decoder using
VLSI DESIGN
(Regulation 2010-2011)
Time: Three hours
Maximum :,70 marks
Answer Question No.1 compulsory. Answer ONE question from each Unit. 1.
4
(EC 41510-1)
(a)
Define Noise margin.
(b)
What is CMOS?
(c)
Define threshold.
(d)
What is Moore's law?
(e)
What is delay unit?
(f)
What is MOS layers?
(g)
Define Scaling.
(h)
What is fitting contract?
(i)
What are the constants used in VII DL'?
(j)
Define synthesis.
(k)
What are the applications of CPLDs'?
(1)
Define figure of merit.
(m)
What is gate level simulation?
(n)
Draw the stick diagram of CMOS inverter.
UNIT II :l.
(a)
Explain the orbit 2 Jnn CMOS design rules for contacts and vias.
(b)
Draw the stick diagram of nMOS logic for the expression Y
=
A + 13 + C .
Or (c)
UNIT I
What arc A -based design rules'? Give them for each layer.
2.
(a)
Explain
with
neat
sketches
of
CMOS (d)
fabrication using the n-well process. (b)
Derive the expression for sheet resistance.
What is meant by "latch-up"? Explain how
UNIT 1II
latch up in invited and how it can be 1.
eliminated in CMOS circuits.
(a)
Explain the structural design of a parity generator.
Or (c)
(b)
An nMOS transistor is operating in active region with the following pa.rameters : ~3.5 V, Vtn
= 2 V, W/L = 50
Find I D and (d)
VGS
Explain the subsystem design approach of 4-bit arithmetic processor as an example.
=
, J.ln CO. 90 I'JAV~ .
RDS.
Determine pull-up to pull-down ratio (Zpu/Zpd) for nMOS invertor through one or more pass
Or (c)
Describe -l-hit serial-parallel multiplier.
(d)
Explain
the
structural
design
of
4: 1
multiplexer.
transistors. 2
(EC 41510-1)
~l
(EC 41510-1)
(EE41610-1) B.Tech. DEGlml~ EXAMINATION, FEBRUARY 2017.
(Supplementary)
Fourth Year - First Semester
Electrical and Electronics IDngineering
Paper VI - HVDC TRANSMISSION
(Regulation 2010-11)
Time: Three hours
Maximum: 70 marks
Answer Question No.1 compulsory. Answer ONE question from each Unit. 1.
(a)
What is a gractz circuit?
(b)
Mention the use of smoothening reactor in DC line.
(c)
Mention anyone technical advantages of HVDe over AC line.
(d)
List out two t.ransmission line.
(e)
Define SCR.
(f)
Define t.elephone influence factor.
disadvantages
of
DC
(g)
Why non-characteristic harmonies come into existence?
(h)
Why current margin is required in HVDC transmission?
(i)
What is meant by communication failure in Inverters?
(j)
What is the function of surge arrester?
(k)
Define Harmonics.
(1)
What is order of AC current harmonics?
(rn)
How effectiveness of DC mention anyone reason.
(n)
L1.
(b)
5.
(a)
(b)
inverter
(u)
Draw and explain converter control characteristics? How they are modified?
(b)
Explain current and extinction angle control in converters.
judged?
Or
7.
Draw characteristic of DC filter.
Compare AC and DC transmission systems in terms of technical performance. What are the applications transmission? Explain.
of
(a)
Explain about sources of reactive power.
(h)
L~xplain about reactive power requirements in steady-state.
UNIT-IV 8.
De
Explain modern trends in circuits breakers and lightening arrester in DC transmission.
(b)
Explain different asynchronous interconnections used in HVDe.
(EE41610-1)
Derive an equation for harmonic voltage and current for double tuned filter and discuss the influence of network admittance on design aspects. Or
9.
(a)
2
and
UNI'I' - III
Or :~ .
converter
Explain analysis of 6-pulse converter conversion with grid control and with out overlap angle.
UNIT ~ I 2.
I~xplain about parameters.
Or
6.
filter
(a)
UNIT - 11 Derive the expression for DC voltage with overlap angle.
(a) (b)
How DC network in modeled for power now analysis? Explain with equations. Explain the design of high pass filter.
3
(EE41610-1)
(CStI'!' 41610-3) B.Tech. DIEGHEE
I~XAMINATION, FEBRUARY
2017.
(Supplementary)
Fourth Year - Firat Semester
Computer Science and Engineering
Paper VI -
EMBEDDED SYSTEMS
(Regulation 2010-11)
Time: Three hours
Maximum: 70 marks
Answer ALL questions. Question No, 1 is compulsorily. PART A 1.
(a)
Define embedded system.
(b)
What is parallelism in processors?
(c)
Write any two characteristics of embedded systems.
(d)
Define area capacitance.
(e)
What is timing diagram?
(f)
What is a decoupling capacitor'?
general purpose
(g)
(b)
Define threshold voltage of a MOB device.
(h)
What is a digital m ultimetcr?
(i)
What is a real-time operating system?
(j)
What is a pipe?
(k)
What are hardreal-time systems?
(1)
What is a heartbeat timer?
(10)
What is the function of scheduler in an RTOS?
(n)
What is a cross-assembler?
(c)
with
What is Rccntrnncy? Explain what Reentrant and non-reentrant functions are.
4.
(a)
What is OS service? Explain the service of OS with an example. Or
(b)
Describe the basic design of real-time OS with an example.
UNIT IV
(a)
Why embedded systems are required in the present world? Give reasons.
(b)
What is example.
Discuss it
with
5.
(a)
Explain any four ways to load your embedded software into the target system.
an Or
Or (c)
architecture
UNIT III
UNIT I
interrupt?
software
examples.
PART B
2.
I~xplain
Explain about the basic microprocessor system with its address mechanism.
(b)
Explain about reuse of intellectual property codes.
(c)
Explain script files and output files.
UNIT II ~~.
(a)
What is Round-Robin with interrupts architecture? Explain through the example of communication bridge. Or 2
(CS/IT 41610-3)
~~
(CS/IT 41610-3)
(EC41610-1)
B.'I'<~ch. ])J<~(jREE I'~XAMINA'I'ION, 1"l'~BI{UARY 2017.
(Supplementary)
Fourth Year - First Semester
1~1cctronics and Communication Engineering
Paper VI -
DiGITAL IMAGE Pl{OCI~SSING
(I{egulation 2010-11)
Time: Three hours
Maximum: 70 marks
Answer question No.1 is compulsory. Answer ONE from each Unit. I.
(a)
Define digital image processing.
(b)
What is a gray scale?
(c)
What are the components of an Image processing sharpening?
(d)
What is gamma correction?
(e)
What is variable length coding?
(I)
What is run length coding?
(g)
What is image thresholding?
UNIT I 2.
(a)
UNIT -III
Explain in detail the elements of digital
1.
(a)
I<;xplain periodic noise reduction frequency domain filtering.
(b)
What is image restoration'? Discuss how image restoration performed in presence of noise.
image processing system. (b)
Explain translation, scaling and rotation.
by.
Or (c)
Write
the
application
of
digital
Or
Image
processing. (d)
(c)
Explain the processing of inverse filtering.
(
Explain Huffman coding.
Discuss the linear operations used in image
UNlT-IV
proccesing.
5.
UNlT - Il
:1.
(a)
(a)
I<;xplain local thresholding.
(b)
Explain how detection of discontinuities is carried out.
Give the steps in histogram specification using a numerical example.
(b)
Or
Discuss image enhancement using gray level transformation. Or
(c)
Explain
about
various
image
(c)
Explain about regional descriptors.
(d)
Explain edge based segmentation and region based segmentation.
smoothing
frequency domain filters. (d)
Explain
various
methods
for
image
enhancement using arithmetic and logical operations. 2
(EC41610-1)
;3
(EC41610~1)
(EC42110)
B.Tech. DEGREI<: EXAM1NNrrON,
F[~BRUARY 2017.
(Supplementary)
Fourth Year
~Second Semester
Electronics and Communications Engineering
Paper I - MOBILE AND CELLULAli
COMMUNICATIONS
(Regulation 2010-11)
Time: Three hours
Maximum: 70 marks
Answer Question No.1 Compulsory.
l.
Answer ONE questions from each Unit.
(a) What arc the types of services? (b) What is Handoff? (c) Explain how to impure the coverage. (d) What is page? (e) Define blocked call delay system. (f)
(g) (h) (i) (j)
Define QPSK. Draw the block diagram of rake receiver. What is the need of equalization? What is tracking? Explain WML script.
UNIT --IV
UNIT 2.
5.
(a)
Explain frequency reuse concept.
(b)
Discuss the methods of improving coverage
(a)
Or
and capacity in cellular system.
(b)
What
is
Ha ndover?
Draw and explain IS-OS Architecture. UNIT V
Or (c)
Explain and draw GSM Architecture.
Explain
types
of
fj.
(a)
What is protocol? Explain WAP.
Handoffs. Or
UNIT- II
:L
(a)
(b)
Explain infection and scattering. Discuss the
Explain the working of TCP/IP with help of OSl structure.
impact on propagation of wave. (b)
Explain fading effects due to m ul t i path time delay. Or
(c)
Explain SDMA and fading channels.
UNIT - TIl 4.
(a)
Explain EOC selection diversity. Or
(b)
Explain
on
Time
divcrsity
and
Rake
diversity. 2
(EC42110)
:3
(EC42110)
(CS42210) B.Tech. DEGRKE EXAMINATION, FEBRUARY 2017.
(Supplementary)
Fourth Year
~
Second Semester
Paper II - ADVANCED COMPUTER ARCHITECTURE (Regulation 2010-2011) Maximum: 70 marks
Time: Three hours
Answer ALL questions. Question No.1 is compulsory SECTION A L
(a) What is pipclining? (h) What are the possible types of data hazards? (c) What is static processors? (d) State the principle of locality and list the types. (e) When is a memory said to be a coherent in multi-processor system? (f)
What is routing?
(g) What do you mean by hyper threading?
SECTION B
UNIT IV
UNIT I 2.
5.
(a) Mention the categories of parallel computers and explain them with their architecture.
Or
(a) With respect to mechanism for instruction pipelining. Explain internal data forwarding and possible hazard between read and write operations. Or
(b) Explain (b) Explain parallel models. compilers in detail.
(i)
control flow versus data flow
(ii)
multivector and SIMD computers. UNIT II
:3.
message (c) Explain development.
Languages
passing
and
programming
(a) Explain static interconnection network and multiprocessor mechanisms. Or (b) Explain various parameters used under scalable multi processors for scalability. (c) Write notes on arithmetic pipeline design. UNIT III
4.
(a) Discuss about the synchronization techniques used in multiprocessor system detail. Or (b) Describe briefly about CISC and processors.
Rise scalar
(c) Describe briefly about dataflow Architectures. 2
(CS42210)
:3
(CS42210)
(IT42210)
B.Tech.
Dl~GRl~E
EXAMINATION, FEBRUARY 2017. (Supplementary)
Fourth Year - Second Semester
Information Technology
Paper II : STORAGE AREA NETWORKS
(Regulation 2010-11)
Time: Three hours •
Maximum: 70 marks
Answer question No.1 compulsory. Answer ONE question from each Unit. 1.
Define the following: (a)
Topology
(b)
HBA
(c)
TCP/IP
(d)
Data replication
(e)
SANs
(f)
FCIP
(g)
ISCSI
(h)
elM
(i)
Point to point
U)
IP-SAN
(k)
Asymmetric storage virtualization
(1)
Advantages of RAJ D
(01)
SAN device
(n)
Information Life Cycle Management (ILM).
UNITIV 5.
(a)
Discuss Managing SAN's.
Or (b)
Explain storage networking organizations.
UNIT I 2.
(a)
Explain in detail one view of data center evolution and Killer Apps for SANs.
Or (b)
Why storage Explain.
networking· makes
sense'?
UNIT II 3.
(a)
Draw and explain the storage Networking Architecture. Or
(b)
Discuss about the basic software for storage Networking. UNIT III
4.
(a)
Explain enterprise backup storage area networks.
software
for
Or (b)
Explain about Advanced software for storage Networking. 2
(IT42210)
3
(lT42210)
(EC42210)
B.Tech.
DI~GREI~
1':XAMINATlON, FEBRUARY 2017
(Supplementary)
Fourth Year - Second Semester
1':lectronics and Communications Engineering
Paper II -
OPTICAL COMMUNICATIONS
(Regula tion 20 I 0- 20 11)
Time: Three hours
Maximum: 70 marks
Answer Question No. I is compulsory.
Answer ONE question from each unit.
L
(a)
What is meant by degenerate modes?
(b)
What is acceptance angle?
(c)
How many types of fiber?
(d)
State Snell's law.
(e)
What is the need of cladding?
(f)
What is V number?
(g)
What is meant by critical propagation angle?
(h)
What is attenuation of optical fiber?
(i)
Differentiate between multimode fibers.
singlemode
and
(j)
What is the significance of gradded index fiber with ex = 2'1
(k)
What is meant by mode and index profile?
(I)
What is meant by system rise time?
(rn)
What is meant by quantum limit?
(n)
Define quantum efficiency of photo detector?
UNIT III 1.
(a)
Explain Ray theory transmission with neat diagrams.
(b)
Explain various fiber types briefly.
Explain the operation of a edge em it.t.ing LED with neat diagram.
(b)
What is Laser? I';xplain working of DlI injection laser. Or
UNIT T 2.
(a)
(c)
Expla in Avalanche photo diode and their characteristics.
(d)
Explain the construction and operation of PIN diode. UNIT IV
Or (c)
Explain singlemode are multimode fibers.
(d)
Explain the fiber materials.
5.
UNIT Tl ~L
(a) (b)
Explain scattering and bending losses fibers.
(a)
What arc the noise sources involved in the detection of optical signals?
(b)
Explain optical receiver operation. Or
In
(c)
Explain the concept link power analysis and systom riao time.
(d)
How nume rioal nport.uro of a fiber ca n be mcusured.
Discuss about the fiber optic couplers. Or
(c)
What is dispersion? Derive the compressions for dispersion.
(d)
Explain inter model and intramoder of optical fibers. 2
(EC42210)
~3
budget
(EC42210)
(EC42310)
B.Tech.
DEGRl~E I~XAMrNATlON, FEBRUARY
2017.
(Supplementary)
Fourth Year - Second Semester
Electronics and Communication Engineering
Paper iu -
RADAR AND NAVIGATIONAL AIDS
(Regulation 2010-2011)
Time: Three hours
Maximum: 70 marks
Answer Question No.1 compulsorily.
Answer ONE question from each Unit. I.
(a)
l~xplain
(b)
What is max amplification rage and express it?
(c)
Write down the applications of Radar.
(d)
What is minimum detectable signal?
(e)
What is VOR?
({)
What is MTl Radar?
(g)
What is plumbing loss?
(h)
What is range rating?
about two kinds of system losses.
aircraft
navigation
(i)
What is LORAN-C?
(e)
Derive simple form of radar equation.
U)
Explain staggered PRF.
(d)
(k)
Define Doppler effect
Explain briefly about phase mono pulse radar.
(1)
Express Radar equation in terms of average power.
(rn)
Define navigation by dead reckoning.
(n)
What are the limitations of fence?
UNIT III 4.
UNIT I 2.
(a)
Draw block diagram of pulse radar. Explain about each block.
(b)
Explain concept of receiver noise and signal to noise ratio.
(a)
Draw the block diagram of sequential lobing tracking radar and explain its principle of operation.
(b)
Explain MTI radar with power amplifier along with block diagram. Or
(c)
Explain concept of blind speeds.
(d)
Draw the block diagram of one co-ordinate mono pulse taking radar and explain its operations.
Or (c)
Explain in detail about minimum detectable signal and receiver noise.
(d)
Discuss RCS of simple targets.
UNIT IV 5.
(a)
(b) (a)
(b)
Write down the salient features of (i) LORAN (ii)
UNIT II 3.
comparison
TACAN.
Explain about automatic direction finder.
Describe the method of staggering pulse repetition, frequency to reduce the effect of build speeds in an MTI system.
(c)
Explain the principle and operations of OPS.
Explain the function of COHO in MTI radar.
(d)
Explain the objectives of electronic warfare.
Or
Or 2
(EC42310)
3
(EC42310)
(CSflT42310) B.Tech. D1~Glw.:r~ EXAMINATION, FEBRUAHY 2017.
(Supplementary)
Fourth Year -
Second Semester
Computer Science and Engineering! Information Technology Paper III -
DATA ENGINEERING
(Regulation 2010-11) Maximum: 70 marks
Time: Three hours
Answer ALL questions. Question No.1 is compulsorily. PART A 1.
Define the following: (a) OLTP
(b) Data mining primitives (c) Knowledge base (d) STING (c)
Data transformation
(f)
Classifier accuracy
(g) Data model
(c) Discuss about the mining single dimensional Boolean association rules from transactional database.
(h) Data warehouses
(i) Prediction
(d) Define association rule mining. When we can say the association rules are interesting'?
(j) Wide web
(k) Outlier analysis UNIT II I
(I) Complex data object
(m) Statistical approach
4.
(n) Back propagation.
UNI,], I
(c)
(a) Explain about data warehouse architecture with neat diagram. (b) Explain classification of data mining systems.
types of data in cluster analysis.
Define binary variables. And what are the two types of binary variables? What are the different types of data used for cl uster analysis?
(d) Explain model-based clustering method.
Or
UNIT IV
(c) What is data mining? What are the kinds of data? Explain in detail. (d) What is major issues in data mining? Explain. UNIT II 3.
I<~xplain
(b) What is a DUSCAN? Explain about grid based method in detail. Or
PAI{']' B
2.
(a)
5.
(a) Explain in detail about partitioning methods with example. (b)
Discuss about multi-dimensional analysis and descriptive mining of complex data objects. Or
(a) Explain data integration and transformation.
(c) Briefly write about mining spatial databases.
(b) Discuss multi dimensional data model.
(d) What are the classifications of tools for data mining? li~xplain each and every tool in detail.
Or 2
(CS/IT42310)
3
(CSIIT42310)
(EE42310) B.Tech.
I)f~GIU~~~ EXAMINATION,
FEBRUARY 2017.
(Supplementary)
Fourth Year - Second Semester
Electrical and medronics Engineering
Paper III -
COMPUTER ATDED POWER SYSTEM
ANALYSTS
(Regulation 2010-2011)
Time: Three hours
Maximum: 70 marks
Answer Question No.1 compulsory. Answer I.
ON~
question from each Unit.
(a)
What is orthogonal matrix?
(b)
Write the relation between branch, element and node.
(c)
State the advantages of voltage dividers.
(d)
Write the expression for symmetrical short circuit current.
(e)
Define directed graph.
(f)
What is basic cut set?
(g)
Define direct axis reactance.
(h)
What are different types of buses?
(i)
What is the function of
(j)
Define critical learning angle.
(k)
Write swing equation.
(1)
Define chopped wave.
(m)
What is 8MI B?
(n)
Write the linearized equations for load flow problem.
em
1\..
(a)
(b)
Describe Newton Raphson method in polar coordinates and explain Gauss iterative method with a flow chart.
(a)
Derive the primitive impedence and admittance matrix expressions with and without mutual compiling.
Differentiate between steady state and transient stability of a power system. Discuss the factors that affect them. Or
(b)
Derive loop admittance matrix from augmented networks admittance matrix.
Explain briefly fast decoupled load flow solution method for solving the non linear load flow equations.
UNIT IV 5.
Or (b)
(a)
Or
UNIT I 2.
UNIT III
Develop state equation for steady state stability analysis of power system with single machine connected to infinite bus system.
UNIT II 3.
(a)
Obtain the general expressions for Z bus building algorithm when a branch is added to the partial network. Or
(b)
Explain the short circuit analysis for symmetrical and unsymmetrical faults using impedance matrix.
2
(EE42310)
3
(EE42310)
(EE42410-1)
B.Tech.
DI~GHl~E
EXAMINATION, FEBHUARY 2017.
(Supplementary)
Fourth Year - Second Semester
Electrical and Electronics Engineering
Paper IV -
ELECTRICAL POWER DISTRIBUTION
SYSTEMS ENGINEERING
(Regulation 2010-2011)
Time: Three hours
Maximum: 70 marks
Answer Question No.1 compulsory.
Answer ONE question from each Unit.
1.
(a)
Define loss factor.
(b)
Define power factor.
(c)
Define coincident demand.
(d)
Define distribution substation.
(e)
What are the classifications of substation according to service?
(f)
Define Line Drop compensation.
(g)
What is quality of service?
(h)
Define express feeder.
(i)
Does the system operate at unity power factor?
(j)
Define contribution factor.
(k)
Define automatic circuit recloser.
(1)
Write the expression for percent power loss.
(m)
Define efficiency.
(n)
What is primary system?
5.
Explain the rating of distribution sub-station for a square shaped service area with uniformly distributed load.
(b)
Compare any two types of sub-transmission systems used in distribution system.
UNIT III 6.
Derive an expression for voltage drop and power loss in feeder with uniformly distributed load. Or
UNIT I 2.
(a)
7.
Give the classification of load in distribution system with their demand factors, load factors and utilisation factors with example.
Derive an approximate voltage drop and power loss equation of primary feeder and give the condition for load p.f at which voltage drop is maximum.
UNIT IV
Or 8. 3.
Draw a schematic single line diagram of the electrical power system and explain its typical parts in detail.
(a)
Discuss the ]088 reduction and voltage improvement ill rural diatribution networks in detail.
(b)
Explain the practical procedure to determine the Best capacitor location.
UNIT II
Or 4.
(a) (b)
Explain the various types of distribution transformer. Explain the use of monograms for obtaining efficiency of distribution transformer.
9.
(a)
Explain power factor correction.
(b)
Discuss the various methods of power factor improvement.
Or 2
(EE42410-1)
3
(EE42410-1)
(CS/IT 42410)
B.Tech. DEGREE EXAMINATION, FEBRUARY 2017.
(Supplementary)
Fourth Year -
Second Semester
Computer Science and Engineering/Information
Technology
Paper IV -
INDUSTRIAL ENGINEERING AND
MANAGEMENT
(Regulation 2010-2011)
Time: Three hours
Maximum: 70 marks
Answer Question No.1 Compulsory. (7 x 2
= 14)
Answer ONE question from each Unit. (4 x 14 =-56) 1.
(a) Partnership Deed. (b) Memorandum of Association .
. (c) Delegation of Authority.
(d) Ordering cost. (c) ABC analysis (f)
Methods of Selection.
(g) 4P's of Marketing.
UNIT III
UNITI 2.
(a) (i)
(ii)
Explain the concept of Management and bring out its importance. Explain Henry Management.
Fayol's
Principles
1\.
(a) (i) (ii)
of (b) (i) (i i)
(ii)
Explain about advantages and disadvantages of -Ioint Stock Company. Explain different kinds of Partners.
UNIT :3.
(a) (i)
(ii)
n
Training
and
5.
(a) (i)
Explain briefly about different leadership Styles.
Define Marketing Management. Explain its functions. Write a note on Product Life Cycle.
Or (b) (i)
about Equivalent Cash Flow (ii)
diagram.
Explain Maslow's theory of Motivation.
UNIT IV
(ii)
Explain the concept of Compounding and Discounting. I'~xplain
Distinguish between Development.
Or
Or (b) (i)
I~xplain the concept of Human Resource Planning and its importance.
What is Inventory Management? Explain its importance. Explain about Distribution.
different
Channels
of
Or (b) (i)
(ii)
Define Depreciation and explain the causes of Depreciation. Explain about Straight line method and Declining balance methods of depreciation.
2
(CS/IT 42410)
3
(CSIIT 42410)
(EC42410-1)
B.Tech. DEGREE
r'~XAMrNATION, FEBRUARY
2017.
(Supplementary)
Fourth Year -
Second Semester
Electronics and Communications Engineering
Paper IV -
EMBEDDI~D
SYSTEMS
(Regulation 2010-2011)
Time: Three hours
Maximum: 70 marks
Answer Question No.1 compulsorily.
Answer ONE question from each Unit. 1.
(a)
Define Embedded system.
(b)
What are the types of embedded system?
(c)
What is ASI PS?
(d)
Write the difference between Real time s:ystems and Real-time operating systems.
(e)
What is a real time operating system?
(f)
What are the advantages devices over USB devices?
(g)'
Define verification.
of
Bluetooth
(h)
What is FSMD?
(i)
Define Bluetooth.
(j)
Define pipe.
(k)
What is the function of a scheduler RTOS?
(I)
What is an instruction set simulator?
(m)
Define state machine.
(n)
What is logic synthesis?
10
(c)
Explain communication and synchronization among processes.
(d)
I'~xplain
about FSMD and PSMM.
an
UNIT III 4.
(a)
Explain the terms semaphores and message queues in an embedded system.
(b)
Discuss about the what registers, pipes and signals.
UNIT I 2.
Or
Ie technologies.
(a)
Explain various
(b)
Explain RT level combinational logic and sequential logic (RT level) custom single purpose processor design. Or What is processors? Draw the basic architecture of processors and explain.
(d)
Explain the processors.
functionality
of
different
Explain the architecture of kernel.
(d)
Explain the tasks and task scheduler.
UNIT IV 5.
(c)
(c)
(a)
What rules an interrupt routine must follow in an RTOS environment? Explain with example.
(b)
What are the basic design principles for Real-time systems? Explain. Or
UNIT II 3.
(a) (b)
Explain about models virus languages of the processors. Write briefly about real time system.
(c)
Discuss about RT Linux.
(d)
Write an techniques.
explain
various
synthesis
Or 2
(EC42410-1)
3
(EC42410-1)
UNIT-IV 8.
(a)
(b)
(EE42510-1)
By means of an block diagram simulate a generalize IPFC which can be operated as a STATCOM, SSSC, UPFC OR IPFC.
B.Tech ..
DI~;GREI~ I~XAMINATION, FEBRUAI~Y
2017.
.(Supplemcntray)
Give a basic two-convener scheme for IPFC. Fou rth Year - Second Semester
Or'
D.
(a) (b)
I~leetrical and
Give the block diagram for a basic UPEC control scheme. I~xplain
Eledronies Engineering
Paper V: FACTS
the basic 'operating principle of an
CONTROLLEI~S
(I~egulation 2010-11)
UPFC.
Time: Three hours
Maximum: 70 marks
Answer question No.1 compulsory. Answer one question from each Unit. All questions carry equal marks. 1.
;1
(EE42510-1)
(a)
Why there is a need of interconnec tion electrical power systems?
(b)
Define SVS.
(c)
What is the importance of storag e in case of converter based FACTS devices?
(d)
Define TCIt
(e)
What are the possible benefits of FACT'S technology.
In
(f)
Compare FACTS and [[VDC.
(g)
Define TCSC.
(h)
What are the basic types of facts controllers?
(i)
l n case of series compensation what are the problems?
(j)
Define '['SIt
(k)
What are the different parameters to control power flow in ac systems given their relative importance?
UNIT-II iI.
(I)
Define SSC.
(m)
Define UPFC.
(n)
Define Thermal capability.
(a)
What
are
the
objectives
of
shunt
compensation? (b)
[low
shunt
I<~xplain
compensation
is
classified?
in detail. Or
n.
(a)
Why VSC is preferred over CSC?
(b)
The operation of STATCOM is based on the operation
of
syn.Condenser.
syn.
mlc
as
rotating
I~xplain.
UNIT -Ill UNIT -I G. 2.
(a)
What arc the possible benefits of FACT'S technology?
(b)
Compare FACTS and HVDC.
(a)
Draw the compensating voltage vis line current characteristics of TCSC and SSSC.
(b)
Explain what do you mean by Variable Impedance type and Switching Converter
Or 3.
(a)
(b)
type FACTS devices.
What are the advantages of 12 pulse operation how it is achieve by transformer connections? What are the types of converters basically used in FACTS devices and what are the differences between them?
Or
7.
(a)
[low series FACTS devices respond to the problem of Sub synchronous resonance.
(0)
Explain how GCSC and TCl{ are duals of each other.
2
(EE42510-1)
3
(EE42510-1)
(CS42510-4)
B.Tech.
Dl~GREE
EXAMINATION, FEBRUARY 2017.
(Supplementary)
Fourth Year -
Second Semester
Computer Science and Engineering
Paper V -
PERVASIVE COMPUTING
(Regulation 2010-11)
Maximum': 70 marks
Time: Three hours
Answer question No.1 compulsory.
(7 x 2
= 14)
Answer one question from each unit, (4 x 14 l.
(a)
What is pervasive computing? Explain,
(b)
What are the limitations of pervasive computing via WAP?
(c)
List some types of Biometric devices,
(d)
What is the use of WML? Explain.
(e)
Write the computing,
security
issues
in
= 56)
accessing
pervasrve
(f)
What are the corn pu tel's?
applications
(g)
What is smart card? Explain.
of
wearable
UNIT-IV
5.
(a)
UNIT -I 2.
(a)
I~xplain the requirements of computational infrastructures in pervasive computing.
Or (b)
Or (b)
Define XML and explain how the XML useful in pervasive computing.
Differentiate between contact smart cards and contact less smart cards. Explain how these are useful in protecting personal information.
Describe the wearable architecture with a neat sketch.
computing
IS
UNIT -11
8.
(a)
Describe the architecture of WAP with neat sketch. Or
(b)
Explain WML and WML scripts with an example. UNIT - III
1.
(a)
Discuss about the components software and their standards.
of
PDA
Or (b)
What are the characteristics of rDA devices? Discuss them in detail. 2
(CS42510-4)
3
(CS42510-4)
