Cochin University of Science and Techology (CUST) 2008 B.Tech Civil Engineering Engineering Chemistry - Question Paper
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BTS(C) -1 & II - 08 - 031 (B)
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Hours |
"'ech. Degree I & II Semester (Combined) Examination,
June 2008
IT/CS/EC/CE/ME/SE/EB/EI/EE/FT 103 ENGINEERING CHEMISTRY
(2006 Scheme)
PART A
(Answer all questions )
(8x5 = 40) |
*/lII
IV
VII |
ya) |
Explain Bom-Haber cycle with example. |
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Explain in brief what is BET isotherm. |
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-'C) |
What is photovoltaic effect? Give details of solar cells. |
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*d) |
Explain the significance of Arrhenim equation. |
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ve) |
What is Troutons rule? Explain. |
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What is meant by chemical potential? Give its importance in chemical reactions. |
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g) |
Write notes on optical fibres. |
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h) |
Write notes on nanoceramics.
PART B |
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(15x4 = 60) |
a) |
Explain in details Point Defects. |
(10) |
'b) |
Explain Band theory of solids.
OR |
(5) |
yd) |
Explain the different types of liquid crystals. |
(10) |
JO |
Write notes on Super Conductors. |
(5) |
a) |
Explain the Poggen Droff compensation method for determination of emf. |
(6) |
b) |
What is Buffer solution? Explain its action with examples. |
(4) |
c) |
Explain Cathodic protection method in metallic corrosion.
OR |
(5) |
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Give the important factors controlling corrosion. |
(8) |
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What is a sec-cell? Explain the working of lead-acid storage cell. |
(?) |
*a) |
Derive the Kirchoff s equation. |
(6) |
J* |
Explain Nemst heat theorem. |
(4) |
*6) |
Thermodynamics of Biochemical reactions.
OR |
(5) |
a) |
Derive the Gibbs-Helmholtz equation. |
(5) |
b) |
State the three different rules of thermodynamics. |
(6) |
c) |
Show and explain the relation between temperature, pressure and free energy. |
(4) |
a) |
Whfc is polymer processing? Explain in details the different methods. |
(10) |
b) |
Explain the mechanism of lubrication.
OR |
(5) |
a) |
Write down in detail the preparation, properties and application of any three |
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industrial polymers. |
(10) |
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What are the different types of lubricants? Give the details.
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(5) |
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IX
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