A. An amorphous polymer
B. A natural polymeric fibre
C. Polyacrylonitrile
D. Poly-methyl-methacrylate (PMMA)
Related Mcqs:
- Perspex can be used as a substitute of glass. Its monomer is__________________?
A. Methyl methacrylate
B. DMT
C. Butadiene
D. Tetrafluoroethylene - _____________ tubes are good substitute for human blood vessels on heart by-pass operation?
A. PVC
B. Polythene
C. Teflon/Dacron
D. Polystyrene - 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 - Cellulose content in bamboo fibre is about ______________ percent?
A. 10
B. 20
C. 50
D. 85 - Most of the fibre forming polymers are crystalline in nature, one of the exceptions being ______________ which is amorphous in nature?
A. Nylon
B. Polyacrylonitrile
C. Polypropylene
D. Polyester - Rayon is a ____________ fibre?
A. Cellulosic
B. Polyamide
C. Polyester
D. Natural - Polymers are classified into four categories namely thermosetting, thermoplastic, elastomer and fibre depending upon their________________?
A. Molecular sizes
B. Magnitude of intermolecular forces
C. Resistance to heat
D. Polymerisation mechanism
Answer: Option B - Phenol formaldehyde __________________?
A. Employs addition polymerisation
B. Employs condensation polymerisation
C. Is a monomer
D. Is an abrasive material - Polystyrene is a light, transparent, thermoplastic material used for making __________________?
A. Toys and combs
B. Packaging bags
C. Non-sticking utensils
D. Electrical insulation - Most commonly used rubber vulcanisation agent is __________________?
A. Sulphur
B. Bromine
C. Platinum
D. Alumina
