Roll No. ,'''''.''''''.''''..''.

Total No. of Questions ':09]

[Total No. of Pages: 02

#

B~Tech., (Sem. - 1st I 2nd) ENGINEERING CHEMISTRY

~ SUB.TECT [Note:

CODE: CH.- 101 (2K~ Paper ID : [AOl12] Please

fiII subject

code and paper

& ONWARDS) ID on OMR]

Maximum Marks:

Time: 03 Hours Instruction to Candidates: 1) 2) 3)

60

Section - Ais Compulsory. Attempt any Five questions from Section - B & C. Select at least Two questiops from Section - B & C. Section - A (Marks: 2 Each)

Ql) a)

Why should water be softened before use-in boilers?

b)

How water is softened by Ion exchangers.

c)

Selection rules for fR.

d)

e.m.f. and potential of cell. '

e)

Why metals corrode faster near s~ashores?

1)

What is the effect of pressure on melting point of ice?

g)

Difference between a photochemical and photosensitized reactions:

h)

Capillary column Vs wide bore column.

i)

Is Ca - EDTA complex soluble in water.

j)

-

.

Method of prevent~on of caustic embrittlement.

--

~--~

~-~

Section - B

.

(Marks: 8 Each) Q2) (a)

What are the requirements for the boi.ler'feed water? What happens if we use hard water in boilers?

(b)

What are zeolites? Explain method of removing hardness with zeolite with mechanism.

M-884 [1859]

P.T.o.

.

Q3) (a)

Distinguish between chemical and electrochemical corrosion.

(b)

Explain cathodic 1>rotection. Mention its two applications?

Q4) Describe working principle of HPLC. What are different kinds of columns used in chromatography? Describe material used an~ specifications.

. Q5) (a)

Calculate the emf of the following concentration cell.

Agi Ag+ O)M

II

Agi Ag+ 1.OM

(b) Write a note on reference electrode. Section. C (Marks: 8 Each) Q6) What modes of vibrations are active in IR absorption spec tors and why? Taking nitro group as an example show the various types of vibrations which will be observed in IR spectra. Q7) (a)

Give brief account on significance of the chemical shift in NMR.

(b)

Why TMS is taken as an standard for measuring chemical shift? Can we take tetra ethyl silane as a standard?

Q8) (a)

How is the study ofAg-Pb system phase. diagram desil verization of argentiferous lead?

useful in the

(b) Explain UCST (Uppe~ Critical Solution Temperature) and LCST (Lower Critical Solution Temperature) witb the help of suitable example. Q9) (a) Explain kinetic.s of decomposition of HI. (b) Calculate the number of moles of HCI(g) produced by absorption of one. Joules of radiant Energy of wave length 480 nm in the reaction H2(g) + CI/g) -t 2HCI(g) if the quantum yield of the photochemical reaction is 1.0 x 106.

D~1

~tj

..

~--

M.884

.

2

GNDEC B.Tech ME 1st Year 2009 Chemistry.pdf

B~Tech., (Sem. - 1st I 2nd) ... take tetra ethyl silane as a standard? Q8) (a) How is the ... Displaying GNDEC B.Tech ME 1st Year 2009 Chemistry.pdf. Page 1 of 2.

948KB Sizes 1 Downloads 295 Views

Recommend Documents

GNDEC B.Tech CE 4th Year 2009 Irrigation Engineering-II.pdf ...
Q7) What is meant by the terms 'Flexibility', 'Proportionality', 's~tting' and. 'sensitivity' as applied to modules. Derive equation's for them and discuss. relation between these terms. Q8) Explain how will you determinethe following in design of a

GNDEC B.Tech CHM 1st Year May 2008 Chemistry.pdf
Define chromophore and explainwith examples. Section - B. (Marks: 8 Each) ... Displaying GNDEC B.Tech CHM 1st Year May 2008 Chemistry.pdf. Page 1 of 2.

GNDEC B.Tech AM 1st Year Dec 2007 Engineering Mathematics-II.pdf ...
Q4) Solve the system of equations. (2D - 4)Yl + (3D + ... Q9) Annual rain~all at a certain place is normally distributed with mean 45 cm. The rainfall for the last five ...

GNDEC B.Tech CHM 1st Year Dec 2007 Chemistry.pdf
(b) What is desalination? What are the methods available for desalination? ... Q3) (a) Describe the mechanjsm of electrochemical corrosion by (i) hydrogen.

GNDEC MBA 2nd Year 2009 Consumer Behaviour.pdf
Q5) Explain cognitive dissonance theory. How can marketers reduce dissonance. experienced by consumer? Q6) Discuss the profile of consumer innovator. Q7) "Define culture. Explain the affect of culture and subculture on consumer. behaviour. Give suita

GNDEC B.Tech CSE 4th Year 2009 Formal Language & Automata ...
c) What do you understand by context sensitive grammars? d) What ... Displaying GNDEC B.Tech CSE 4th Year 2009 Formal Language & Automata Theory.pdf.

GNDEC MBA 2nd Year 2009 Management Control System.pdf ...
Page 1 of 60. Bohol Profile. Bohol. Basic Facts. Geographic Location Bohol is nestled securely at the heart of the Central. Visayas Region, between southeast of Cebu and southwest. of Leyte. Located centrally in the Philippine Archipelago, specifical

GNDEC MBA 2nd Year Dec 2009 Social Security & Labour Welfare ...
COMMUNICATION SERVICES: MESSENGERIAL (DHL) US Japan Middle East France. - Package. > Junior Box ..... Whoops! There was a problem loading this page. Retrying... GNDEC MBA 2nd Year Dec 2009 Social Security & Labour Welfare.pdf. GNDEC MBA 2nd Year Dec

GNDEC B.Tech ME Sem 4 2009 Applied Thermodynamics-II.pdf ...
j) What are the various assumptions made in practical cycle analysis in. gasturbines? M-858[1859] P.T.o.. Page 1 of ... Determine the power required and isentropic efficiency. The effectivejet exit velocity framjet ... Page 3 of 3. Main menu. Display

GNDEC M.Tech EC 2009 Data Communication Networks.pdf ...
(b) Discuss the CSMA/CD MAC layer protocol in detail. Q5) (a) Differentiate between packet..switching, message switching and circuit. ~witching in detail. . . . (b) What are the advantages ofFDDI over a basic Token ring? Q6) (a) What are functions of

(01-03-2009 (1st Sitting)- Previous Year Paper) - TheTubeGURU.pdf ...
Page 1 of 64. SBI ASSOCIATE BANK CLERK EXAM ,(01-. 03-2009 (1ST SITTING)- PREVIOUS YEAR. PAPER. GENERAL AWARENESS. 1. Which of the following is NOT a part of India's Money Market? A. Bill Markets. B. Call Money Market. C. Banks. D. Mutual Funds. E. I

GNDEC M.Tech PE December 2009 Welding Technology.pdf ...
Describe the solidification mechanism occurred in fusion. ofweldments? (b) Explain the effects of alloying of various elements on welding of carbon. alloy steel? Q2) Define welding arc? Explain the mechanism of arc initiation and itsmaintenance? Q3)

GNDEC M.Tech PE December 2009 Industrial Tribology.pdf ...
or its equivalent. Page 3 of 7. Whoops! There was a problem loading this page. GNDEC M.Tech PE December 2009 Industrial Tribology.pdf. GNDEC M.Tech PE December 2009 Industrial Tribology.pdf. Open. Extract. Open with. Sign In. Main menu. Displaying GN

GNDEC M.Tech PE December 2009 Methods Engineering ...
Page 1 of 60. Roll No. .......................... 1 \. t Total No. of Questions: 08] (Total No. of Pages : 02. M.Tech. METHODS ENGINEERING AND ERGONOMICS. ~:PE-523 .~: [E0460]. (Note: Please fill subject code and paper ID on OMR). Time: 03 Hours. Ins

GNDEC M.Tech PE December 2009 Robotics & Industrial ...
c) Pneumatic safety. Page 1 of 1. GNDEC M.Tech PE December 2009 Robotics & Industrial Automation.pdf. GNDEC M.Tech PE December 2009 Robotics ...

GNDEC M.Tech EC 2009 Optical Communication Systems.pdf ...
(b) Prove that the limit for noise figure in an optical system is 3 dB. Q4) (a) Describe" the principle operation and type of SOA with diagrams. How. the gain of ...

GNDEC M.Tech CESE 2009 Sub Surface of Geophysical Exploration.pdf
Q1) (a) Discuss various factors that govern the sub soil exploration, bringing. out the guiding ... (b) How is the data from dynamic cone penetration test useful?

GNDEC B.Tech HM Sem 3 Dec 2009 Principles of Economics ...
Q7) Define monopoly. How price is determined under monopoly? ... GNDEC B.Tech HM Sem 3 Dec 2009 Principles of Economics & Management Paper 1.pdf.

GNDEC M.Tech PE 2009 Computer Aided Design & Manufacturing.pdf
Two stage computer. based test followed by. document verification. 1. Special Recruitment Drive (SRD) for PWDs. Allahabad. Degree from. recognized university. or its equivalent. Page 3 of 7. Whoops! There was a problem loading this page. Retrying...

GNDEC B.Tech ME Sem 3 Principles of Economics & Management.pdf
Universality of Management. Decentralisation. Economics. DifferentiatebetweenAuthority & Responsibility. Monopoly. Section - B. (4 x 5 =20). Q2) What did Henry Fayol mean by Unity of command? How does it differ from. unity of direction? Q3) Distingui

GNDEC B.Tech IT Sem 6 2009 Advanced Internet Technologies.pdf ...
Page 2 of 2. Q2). Q3). Q4). Q5). Q6). Sectio.n - B. (4 x 5 = 20). What is FTP? Explain in detail where it is used. What do you mean by Telnet? Discuss its ...

GNDEC M.Tech CS 2009 Embedded Systems.pdf
Page 2 of 60. Q7) Explainthe following: (a) Task scheduling in embedded systems. (b) Wireless protocol IrDA. (c) Code optimization. Q8) (a) Explain Pulse width modulators. (b) What do you mean by Context switch? ~i4"'~ 1!if~. M-1678 2. Whoops! There

GNDEC M.Tech CS Dec 2009 Software Engineering Methodologies ...
SOFTWARE ENGINEERING METHODOLOGIES. SUBJECT CODE :CS -514 (Elective - II) ... between incremental development and rapid application development. method. Q2) Define the terms: ... Page 2 of 2. Main menu. Displaying GNDEC M.Tech CS Dec 2009 Software En

GNDEC B.Tech IT Sem 6 Dec 2009 Network Operating System.pdf ...
j) Write the important features of FDDI Technology. J-534 (8129) P.T.o. ... Q6) Discuss the different types of Licensing policies which can be used while ... Displaying GNDEC B.Tech IT Sem 6 Dec 2009 Network Operating System.pdf. Page 1 of ...