A. PVC
B. Polythene
C. Teflon/Dacron
D. Polystyrene
Related Mcqs:
- Orlan fibre which is used as a wool substitute is __________________?
A. An amorphous polymer
B. A natural polymeric fibre
C. Polyacrylonitrile
D. Poly-methyl-methacrylate (PMMA) - Perspex can be used as a substitute of glass. Its monomer is__________________?
A. Methyl methacrylate
B. DMT
C. Butadiene
D. Tetrafluoroethylene - Collapsible tubes for tooth paste are produced by _____________ extrusion?
A. Direct
B. Indirect
C. Impact
D. None of these - Due to its excellent permeability to air/gas and oxidation resistance, the tubes of automobile tyres is made of________________?
A. Cold SBR
B. Butyl rubber
C. Bunai N
D. Buna S - Plastic tubes & pipes are generally made by ______________ moulding?
A. Injection
B. Transfer
C. Extrusion
D. Compression - Scouring is a finishing operation during the manufacture of fibre, which aims at ______________ of fibres?
A. Improving the stretchability
B. Dyeing/colouring
C. Detergent solution washing
D. Glycol soaking - Condensation polymerisation of _____________ produces Bakelite?
A. Propylene
B. Phenol & formaldehyde
C. Phenol & acetaldehyde
D. Urea & formaldehyde - _____________ moulding is used for shaping of thermosetting plastics exclusively?
A. Compression
B. Injection
C. Transfer
D. Extrusion - _____________ polymer is produced by the copolymerisation of vinyl chloride-vinyl acetate?
A. Fibrous
B. Leathery
C. Rubbery
D. Hard - Plastic articles are normally produced by _____________ moulding?
A. Green sand
B. Injection
C. Shell
D. Dry sand
