14-09-2013, 03:04 PM
B. Tech I Year (R07) Supplementary Examinations, May 2012 APPLIED CHEMISTRY
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1 (a) How dissolved chlorides in water are estimated?
(b) Give types of impurities in water.
© What are the units used to express the hardness of water?
2 Discuss in detail internal treatment of water.
3 Explain factors influencing corrosion.
4 (a) Discuss about surface preparation of article for protective coating.
(b) Write note on:
(i) Cementation.
(ii) Chronizing.
5 (a) Explain different moulding constituents (compounding of plastics).
(b) Write note on:
(i) PE.
(ii) PVC
6 Discuss about insulating materials and their engineering applications.
7 What are the general properties of lubricating oils and explain each property in brief?
8(a) Give detail account on setting and hardening of cement.
(b) Write a note on chemical constituents and composition of cement.