Friday, June 21, 2013




(Common to all branches of B.E/B.TECH. other than Marine engineering) 

Regulation 2008

Time: 3 hours Maximum:100 marks

Answer ALL Questions

PART A — (10 x 2 =20 marks)

1. What is the hardness of a solution containing 0.585 grams of NaCl and 0.6 grams of MgsO4 per litre? 
2. How is the exhausted zeolite softner bed regenerated? 
3. discuss functionality of a monomer with a suitable example? 
4. discuss condensation ploymerisation with a suitable example? 
5. What is the role of adsorband in catalysis? 
6. What is the effect of increase in temperature and increase in pressure on the adsorption of gas on the solid? 
7. What is a breeder reactor? 
8. State the reaction when a lead storage battery is reacharged? 
9. provide 2 examples for neutral refractory? 
10. discuss the lubrication action of graphite? 

PARTB (5x16=80marks) 

11. (a)(i) discuss the softening of water by deionisation process? (8) 
(ii) How is the temporary and permanent hardness of water determined? (8)


(b)(i) What is meant by reverse osmasis? discuss the purification of water by 
reverse osmosis? (8)
(ii) discuss the softening of water by zeolite process? (8)

12. (a)(i) Write the mechanism of free radical polymerisation . (8) 
(ii) explain the synthesis and uses of SBR and Butyl rubber. (8) 

(b) (i) provide an account on fibre reinforced plastics. (10) 
(ii)Describe the synthesis of polyurethane and state its uses. (6) 

13. (a) (i) Derive the Langumuir Adsorption Isotherm and inerpret the outcomes (10)
(1) at low pressure 
(2) at high pressure 
(ii)Distinguish ranging from Physisorption and Chemisorption. (6) 


(b)(i) State Friendlich adsorption isotherm and discuss the terms in it. 
discuss the various kinds of adsorption isotherms of gases on solid.(10)
(ii). explain the role of adsorbands in pollution abtement. (6) 

14. (a)(i) provide an account of H2-O2 fuel cell. (8) 
(ii) discuss the construction and working of Cd-Ni cell. (8) 


(b)(i) define using a block diagram the light water nuclear reactor for 
power generation. (10) 
(ii)Give an account of solar cells. (6) 

15. (a) (i) elaborate the characteristics of a good refractory? Write a note on carborundum.(8) 

(ii)What are lubricants?Discuss the various kinds of lubrication.(8) 


(b)Write short notes on any 2 of the following: 
(i)Carbon nanotubes(4) 
(ii)Refractoriness (4) 
(iii)Synthetic abrasives.(8) 
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