Wednesday, September 14, 2016

CY6251 Engineering Chemistry-II Nov Dec 2015 Question Paper

Anna University Chennai Question Paper Collection
B.E./B.Tech. DEGREE EXAMINATION, NOVEMBER/DECEMBER 2015
Second Semester
Civil Engineering
CY6251 Engineering Chemistry - II
(Common to all branches except Marine Engineering)
(Regulation 2013)
Time: Three hours
Maximum: 100 marks

Answer ALL questions
Part A - 10 x 2 = 20 Marks

1. Mention any two disadvantages of formation of deposits in steam boilers
2. What is caustic embrittlement?
3. Write chemical reaction that takes place in a galvanic cell.
4. What is chemical corrosion?
5. Write the all nuclear fission reaction of 92U236

(ii) Derive the Nerns't equation for single electrode potential

Or

(b) (i) Write in detail about the constituents of paint (10)
(ii) Discuss in detail about the electroplating of copper (6)

13. (a) (i) Describe the nuclear fusion reaction (8)
(ii) Describe the functioning of a light water nuclear reactor using a suitable diagram (8)

Or

(b) (i) Write in detail about lead acid battery (8)
(ii) How is solid state lithium battery constructed? Describe its functioning (8)

14. (a) (i) What are the important properties of refractories? (10)
(ii) Write about the preparation of alumina and magnesite bricks (6)

15. (a) (i) What is the importance of proximate analysis? (8)
(ii) Describe Otto Hoffman process for the manufacture of metallurgical coke (8)

Or

(b) Write short notes on the following:
(i) Compressed natural gas (6)
(ii) Power alcohol (10)



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