A. Polystyrene
B. Polyisoprene
C. Polybutadiene
D. Polychlorophrene
Related Mcqs:
- Styrene-butadiene-rubber (SBR) as compared to natural rubber has________________?
A. Poorer tensile strength
B. Poorer resistance to oxidation
C. Greater amount of heat build-up under heavy loading
D. All A , B. and C. - Main constituents of cotton fiber is__________________?
A. Lignin
B. Cellulose
C. Starch
D. Gelatine - Main constituents of Portland cement are calcium aluminate and__________________?
A. Gypsum
B. Silicates
C. Sodium silicate
D. Carbonates - Main constituent of limestone is____________________?
A. CaCO3
B. MgCO3
C. Na2CO3
D. CaSO4 - CO & H2 are the constituents of___________________?
A. Producer gas
B. Water gas
C. Coke oven gas
D. All A., B. and C. - The major constituents of glass are____________________?
A. Lime, clay and soda ash
B. Sand, lime and soda ash
C. Silica, alumina and clay
D. Silica, alumina and soda ash - Nitrile rubber is produced by the polymerisation of__________________?
A. Acrylonitrile and butadiene
B. Acrylonitrile and styrene
C. Isobutylene and isoprene
D. None of these - Starting material for the production of styrene butadiene rubber (SBR) is________________?
A. Ethyl alcohol
B. Ethylene
C. Both A. & B.
D. Neither A. nor B. - ____________________ of rubber decreases after its vulcanisation?
A. Resistance to the action of organic solvent
B. Tackiness
C. Maximum service temperature
D. Tensile strength - The process involved in converting rubber into a thin sheet or coating it on fabric is called ___________________?
A. Extrusion
B. Mastication
C. Calendaring
D. Vulcanisation
