University of Mumbai 2008-1st Sem B.E FE - Question Paper
Chemistry - II December 2008
Con. 37S4-HC-5552-08. 2
5. <a) Explain the adsorption theory of Catalysts. S <b) Exptatn in brief the various tests under proxtmato iinelyeis ol coai swing S
me sipnificance ol cach.
(c) A coal sample has the following composition by wnht. C 64 %. H * 0 %. 5 S = 1 %. O - 8 % and remaining ash Calculate the minimum quantity ol air required both by weight and volume (or tho complete combustion of 2 Kg ol
this !uel ;Mol. Wj pi air - 2B-94).
6. (a) How does a catalyst affcct the *stat>shinent of equilibrium stole and activation S
enorgy of a reaction ? Explain with necessary graphs.
(b) What are ceramic powders t Explain the method of manufacture ol any one 5 ceramic powder.
(c) WHai are metallic coalings ? Name the different ways of application of metallic 5 coatings Distinguish between anodic coating and cathodic eoa!>ng
7 (a) What are structural composites t Give then types and applications. S
(b) Write short notes on
(i) Paints (Defmion and most important two ngrcdients with Iheir job and 2-5 example).
(ii) Commercial brass 25
(c) What are fibre reinforced oompositos ? Explain ineir types 5
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