Osmania University (OU) 2012-4th Year B.E Chemistry III Internal, 1/, Affiliated Vasavi College - Question Paper
Max Marks. 20
DEPARTMENT OF CHEMISTRY I/* U |FOH AU MAMOftS) Subject Er>tfne*rir* chemistry time iHOim
111 IMTERWAL eyAVMNA-rlOM . aoll, AP*.* MELA <3X2**
1 Define OcUne and Cetvte numbers
2 What is functionality Meobon Its effect on structure of polymers
9 Write the dauifkation of rocket prop*Ua<n* with examote*.
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AnswtranylWO (J X?*U
4 a) Gfvc the preparitton and use* of lafcellte and Kevtar (SM|
b) Write (he differences between thermoplastics and thermo with (2M)
5 |W?witttflckhi and describe ftied bed cwhrticuiciun| method wiHirwdlam pH)
b) Cakulate HCV and LCV of a coal sample having the compottofl of h-7% s*3.s%, 0UM2M|
6 Write any two. (ZX3.SM)
a) Proximate analysts of Coal.
b) Conducting polymers
c) Vutcanliatlon of rubber
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| Earning: Approval pending. |
