A. Polypropylene
B. Polystyrene
C. Polyester
D. Polyurethane
Related Mcqs:
- Transistor parts and refrigerator components are normally made of_____________________?
A. Polystyrene
B. Polyester
C. High density polythene
D. Polyurethane - Caprolactam, a raw material for the manufacture of nylon-6, is produced from_______________?
A. Phenol
B. Naphthalene
C. Benzene
D. Pyridine - Temperature and gage pressure maintained during the manufacture of cold SBR (styrene butadiene rubber) are__________________?
A. 5°C and 1 kgf/cm2
B. – 20°C and 1 kgf/cm2
C. 0°C and 1 kgf/cm2
D. 0°C and 3 kgf/cm2 - 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 - Adipic acid is an intermediate in the manufacture of _____________________?
A. Perspex
B. Nylon-66
C. Polystyrene
D. Bakelite - In step growth polymerisation, generally only one type of reaction & some basic mechanism is involved. Step growth polymerisation reaction is not involved in the manufacture of__________________?
A. Cross linked polystyrene
B. Phenol formaldehyde resins
C. Polyesters
D. Polyamides - The starting material used for the manufacture of caprolactam is________________?
A. Ethyl benzene
B. Cyclohexane
C. Ethylene glycol
D. DMT - A chain growth polymerisation reaction consists of three different types of reaction namely initiation reaction, propagation reaction & termination reaction. Chain growth polymerisation reaction is not involved in the manufacture of_______________________?
A. Siloxane elastomers
B. Polyamides
C. Vinyl polymers
D. Urea-formaldehyde resins - Benzoyl chloride is not used as a catalyst in the manufacture of___________________?
A. Polystyrene
B. Polyvinyl acetate
C. Polypropylene
D. Polyvinyl chloride-co-vinyl acetate - Temperature maintained in the emulsion polymerisation reactor for PVC manufacture is about ______________ ° C?
A. -20
B. 50
C. 250
D. 500
