A. Cold SBR
B. Butyl rubber
C. Bunai N
D. Buna S
Related Mcqs:
- Neoprene which is used for making shoe heels & belts is superior to natural rubber in its stability to aerial oxidation and resistance to oils & other solvents. The monomer used for making neoprene is_________________?
A. Chloroethane
B. Chloroprene
C. Isoprene
D. None of these - Tyres are made by___________________?
A. Injection moulding
B. Extrusion
C. Rotational moulding
D. Compression moulding - Tubeless tyres are made of ______________ rubber, which is a co-polymer of isoprene & isobutylene?
A. Nitrile
B. Silicone
C. Neoprene
D. Butyl - Automobile steering wheels are normally made of__________________?
A. Cellulose acetate
B. Cellulose nitrate
C. PVC
D. High density polythene - Rexine (also called artificial leather), which is used for making table cover, automobile seat cover, shoes etc. is made by coating thick cloth with molten_______________?
A. Teflon
B. Bakelite
C. SBR
D. PVC - Collapsible tubes for tooth paste are produced by _____________ extrusion?
A. Direct
B. Indirect
C. Impact
D. None of these - _____________ tubes are good substitute for human blood vessels on heart by-pass operation?
A. PVC
B. Polythene
C. Teflon/Dacron
D. Polystyrene - Plastic tubes & pipes are generally made by ______________ moulding?
A. Injection
B. Transfer
C. Extrusion
D. Compression - Cellulose acetate has very high film permeability among all the polymers of the order of 5000 gm/100 m2. Which of the following polymers has the maximum film elongation (of the order of 100%) ?
A. Water impermeable cellophane
B. Polythene
C. Cellulose acetate
D. Teflon - Thermocol is a spongy, porous, rigid or flexible foamed plastic, obtained by blowing gas/air through molten__________________?
A. Saturated polyester
B. Polyurethane
C. Polystyrene
D. Either B. or C.
