III B.Tech II Semester Supplementary Examinations,May 2010 OPTOELECTRONICS AND LASER INSTRUMENTATION Electronics And Instrumentation Engineering Time: 3 hours Max Marks: 80 Answer any FIVE Questions All Questions carry equal marks ????? 1. (a) Bring out the importance of Electronic Switching. Compare mechanical switching with Electronic switching.
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(b) CO2 laser is more efficient as compared to other gas lasers - Say “True” or “False”. Justify your answer comparing the performances. [8+8] 2. (a) Explain how the Moire-Fringe modulation fiber optic sensor helps in eliminating the instability encountered with fiber optic intensity modulated sensor.
or
(b) With a neat diagram explain the interferometric method of measurement of length. [8+8]
3. (a) Explain with relevant diagrams the basic principle of confinement of carriers optical power in the active region of a double hetrojunction LED.
uW
(b) Discuss different modulation drive circuits for LEDs and explain their operations. Explain the operations of analog drive circuits designed with Darlington pairs. [8+8] 4. (a) Explain the principle and working of a fiber Gyroscope. (b) State the important applications of fiber optic Gyroscope.
[8+8]
5. (a) Discuss the mechanism of electro - optic effect for modulation of phase. (b) What is pockets effect?
[10+6]
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6. (a) Give any three applications of optical fibers for instrumentation and explain them with the necessary figures. (b) Draw the block diagram of a typical fiber optic communication system and explain the function of each block in detail. [8+8]
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7. With neat diagrams explain: (a) Lasers in material processing
(b) Lasers in medicine.
[8+8]
8. Discuss about the following in detail with the necessary figures and graphs. (a) Multimode graded index fibres.
(b) Single mode fibres.
[8+8] ?????
1
Code.No: NR/RR321002
NR/RR
Set No. 4
in
III B.Tech II Semester Supplementary Examinations,May 2010 OPTOELECTRONICS AND LASER INSTRUMENTATION Electronics And Instrumentation Engineering Time: 3 hours Max Marks: 80 Answer any FIVE Questions All Questions carry equal marks ????? 1. (a) Discuss the mechanism of electro - optic effect for modulation of phase. (b) What is pockets effect?
[10+6]
ld .
2. (a) Give any three applications of optical fibers for instrumentation and explain them with the necessary figures. (b) Draw the block diagram of a typical fiber optic communication system and explain the function of each block in detail. [8+8]
or
3. Discuss about the following in detail with the necessary figures and graphs. (a) Multimode graded index fibres. (b) Single mode fibres.
[8+8]
uW
4. (a) Bring out the importance of Electronic Switching. Compare mechanical switching with Electronic switching. (b) CO2 laser is more efficient as compared to other gas lasers - Say “True” or “False”. Justify your answer comparing the performances. [8+8] 5. (a) Explain the principle and working of a fiber Gyroscope. (b) State the important applications of fiber optic Gyroscope.
[8+8]
6. With neat diagrams explain:
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(a) Lasers in material processing (b) Lasers in medicine.
[8+8]
7. (a) Explain how the Moire-Fringe modulation fiber optic sensor helps in eliminating the instability encountered with fiber optic intensity modulated sensor.
Aj
(b) With a neat diagram explain the interferometric method of measurement of length. [8+8]
8. (a) Explain with relevant diagrams the basic principle of confinement of carriers optical power in the active region of a double hetrojunction LED. (b) Discuss different modulation drive circuits for LEDs and explain their operations. Explain the operations of analog drive circuits designed with Darlington pairs. [8+8] ?????
2
Code.No: NR/RR321002
NR/RR
Set No. 1
in
III B.Tech II Semester Supplementary Examinations,May 2010 OPTOELECTRONICS AND LASER INSTRUMENTATION Electronics And Instrumentation Engineering Time: 3 hours Max Marks: 80 Answer any FIVE Questions All Questions carry equal marks ????? 1. (a) Bring out the importance of Electronic Switching. Compare mechanical switching with Electronic switching.
ld .
(b) CO2 laser is more efficient as compared to other gas lasers - Say “True” or “False”. Justify your answer comparing the performances. [8+8] 2. With neat diagrams explain: (a) Lasers in material processing
[8+8]
or
(b) Lasers in medicine.
3. (a) Discuss the mechanism of electro - optic effect for modulation of phase. (b) What is pockets effect?
[10+6]
uW
4. (a) Explain with relevant diagrams the basic principle of confinement of carriers optical power in the active region of a double hetrojunction LED. (b) Discuss different modulation drive circuits for LEDs and explain their operations. Explain the operations of analog drive circuits designed with Darlington pairs. [8+8] 5. (a) Explain how the Moire-Fringe modulation fiber optic sensor helps in eliminating the instability encountered with fiber optic intensity modulated sensor.
nt
(b) With a neat diagram explain the interferometric method of measurement of length. [8+8] 6. (a) Explain the principle and working of a fiber Gyroscope. (b) State the important applications of fiber optic Gyroscope.
[8+8]
Aj
7. (a) Give any three applications of optical fibers for instrumentation and explain them with the necessary figures. (b) Draw the block diagram of a typical fiber optic communication system and explain the function of each block in detail. [8+8]
8. Discuss about the following in detail with the necessary figures and graphs. (a) Multimode graded index fibres.
(b) Single mode fibres.
[8+8] ?????
3
Code.No: NR/RR321002
NR/RR
Set No. 3
1. (a) Explain the principle and working of a fiber Gyroscope. (b) State the important applications of fiber optic Gyroscope.
in
III B.Tech II Semester Supplementary Examinations,May 2010 OPTOELECTRONICS AND LASER INSTRUMENTATION Electronics And Instrumentation Engineering Time: 3 hours Max Marks: 80 Answer any FIVE Questions All Questions carry equal marks ?????
[8+8]
ld .
2. (a) Explain with relevant diagrams the basic principle of confinement of carriers optical power in the active region of a double hetrojunction LED.
(b) Discuss different modulation drive circuits for LEDs and explain their operations. Explain the operations of analog drive circuits designed with Darlington pairs. [8+8]
or
3. (a) Bring out the importance of Electronic Switching. Compare mechanical switching with Electronic switching. (b) CO2 laser is more efficient as compared to other gas lasers - Say “True” or “False”. Justify your answer comparing the performances. [8+8]
uW
4. Discuss about the following in detail with the necessary figures and graphs. (a) Multimode graded index fibres. (b) Single mode fibres.
[8+8]
5. (a) Explain how the Moire-Fringe modulation fiber optic sensor helps in eliminating the instability encountered with fiber optic intensity modulated sensor.
nt
(b) With a neat diagram explain the interferometric method of measurement of length. [8+8] 6. (a) Give any three applications of optical fibers for instrumentation and explain them with the necessary figures.
Aj
(b) Draw the block diagram of a typical fiber optic communication system and explain the function of each block in detail. [8+8]
7. With neat diagrams explain: (a) Lasers in material processing
(b) Lasers in medicine.
[8+8]
8. (a) Discuss the mechanism of electro - optic effect for modulation of phase. (b) What is pockets effect?
(b) Discuss different modulation drive circuits for LEDs and explain their opera- · tions. Explain the operations of analog drive circuits designed with Darlington.
(b) Discuss in detail the basic combinations of security associations? [4+12] · 2. (a) Differentiate between Public key cryptography and Digital signature with rel-.
2. III B.Tech I Semester Supplementary Examinations,June 2010 ... [16] · 3. Explain the different methods of sludge disposal and role of sludge as fertilizer. [16].
Set No. 2. III B.Tech II Semester Supplementary Examinations,May 2010 ... 1. It is required to transmit telephone messages across the United States, a 3000.
u is the velocity in metre per sec at a distance of y meters above the plate, · determine the ... Data: · Cross sectional area of the packed column tube = 0.09 m2.
Answer any FIVE Questions · All Questions carry equal marks · ***** · 1. State and apply Biot-Savart law to find velocity induced at a point by an infinite.
for this gases/ lb mol between the bottom and the top of the stack. .... at 750 mmHg of pressure, given that latent heat of vaporization is 88.4 cal/g. (R=1.987 ...
If the base current is changed by 0.2 mA, calculate the change in collector current. [3+8+5]. 7. (a) Classify timers according to the function and the techniques ...
Briefly explain two fundamentally different ways in which a cell might control the ... Explain metabolic flux analysis of citric acid fermentation of Candida lipolytica.
Explain the working principle behind · scanning beam thermometer with a schematic. What are the different applications · of scanning beam thermometer? [16].
(a) Derive the transfer function of an a.c. servomotor and draw its characteristics. (b) Explain the Synchro error detector with circuit diagram. [8+8]. 3. AjntuWorld.
Write a simple assignment statement with one arithmetic operator in C language. For each component of the statement, list the various bindings that are required ...
Explain the steam hydrogen reforming process for the production of hydrogen? [16] · 5. Define Portland cement and discuss about types of Portland cement. [16] · 6. (a) What is a paper? List out different types of paper products. (b) Discuss the envir
(b) Explain about matching by correlation? [8+8] · 6. Explain about the following Geometric Transformations. a) Spatial Transformation · b) Gray level Interpolation. [16] · 7. How would you convert an image from a square grid to a hexagonal grid? [16
(b) Give the factors which will affect the selection of conductor size of feeder.[8+8] · 5. (a) Give detailed analysis of three phase balanced primary lines · (b) Consider a balanced 3 phase circuit having Vs and Vr are the sending and · receiving en
2. III B.Tech II Semester Supplementary Examinations,May 2010 ... [8+8] · 3. (a) Give the algorithm to generate a decision tree from the given training data.
SOFTWARE PROJECT MANAGEMENT · Common to Information Technology, Computer Science ... (b) Write an overall software acquisition process of CCPDS-R. [8+8] · 2. Describe the various dimensions of scheduling? ... 7. Provide a default outline for release
(b) What effect would setting to zero the lower order bit planes have on the · histogram of an image in general. [16] · 7. Consider the image segment shown · (a) Let V={0,1} and compute the lengths of shortest 4- ,8- and m-path between · p and q. If
State and explain the principles of conventional Software Engineering? [16] · 2. Explain the following with respect to CCPDS-R: · (a) People factors · (b) DOD-STD-2167A artifacts. [8+8] · 3. Explain about predominant Cost estimation process and sugge
The clay liquid limit = 50%, · natural water content = 40.5%, and G = 2.70. The saturated unit weight is · 18.9 kN/m3. Estimate the ultimate settlement due to consolidation of the clay · layer, assuming the site to be flooded. [8+8] · 3. Compute the
a feature map. [8+8] · 6. (a) Describe about cut, paste commands. (b) Write a detail notes on sort command. [8+8] · 7. Write a C program to listing all the files in a given directory and in its subdirectory. [16] · 8. Compare the back propagation alg
waste of 2.2 Ã 106 litre/day with B.O.D. of 800 mg/l are produced. In addition, domestic sewage is produced at the rate of 200 litres/capita/day, the per capita. BOD of sewage being 76 gm/day. An expansion factor of 10% is to be provided. The efflue
(a) What are the factors which determine the resistance to flow? (b) Given the radius of aorta as 1.3Ã10â2m, determine the resistance and pressure · drop over a 0.2m distance, if the flow rate is 10â4m3/s. [8+8] · 7. (a) Explain the inverse effe
(b) Describe the single-blocked queue and multiple-blocked queues with an · example. ... (a) Discuss the objectives for a file management system. (b) Illustrate ...
Line / spline, Circle / ellipse, arc, rectangle, fillet / chamfer, point, hole center, ... Cutting speed = 2.5 m/sec, ... new coordinates of the end points of the line. [16].
