Search
.Management Sciences
Category: Polymer Technology
Poly-methyl-methacrylate, which is an acrylic resin, is also called ___________________?
A. Thiokol
B. Plexiglass or Lucite
C. Dacron
D. Teflon
_____________ tubes are good substitute for human blood vessels on heart by-pass operation?
A. PVC
B. Polythene
C. Teflon/Dacron
D. Polystyrene
Thermocol (expanded polystyrene) is not used for __________________?
A. Low temperature thermal insulation as in refrigerator and air conditioners
B. Acoustic control and ceiling for building
C. High temperature thermal insulation in furnaces
D. Packing of delicate electronic gadgets
Silicone is a/an ___________________?
A. Monomer
B. Inorganic polymer
C. Thermoplastic material
D. A natural polymer
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
The starting material used for the manufacture of caprolactam is________________?
A. Ethyl benzene
B. Cyclohexane
C. Ethylene glycol
D. DMT
Gutta percha rubber is_________________?
A. Soft & tacky at room temperature
B. An isomer of natural rubber
C. A thermosetting resin
D. Recovered by coagulation of rubber latex
Transistor parts and refrigerator components are normally made of_____________________?
A. Polystyrene
B. Polyester
C. High density polythene
D. Polyurethane
Pick out the wrong statement ?
A. For the manufacture of styrene, the major raw materials are benzene and ethylene
B. One important copolymer of styrene is SBR, which is widely used in the manufacture of
automobile tyres
C. Manufacture of phenol by chloroben-zene-eaustic process involves. The chlorination of benzene, causticisation and hydrolysis
D. Phenol manufacture by chlorobenzene-caustic process is competitive even when low cost chlorine is not available
Recent Comments