Hamad Polymer Technology 23/08/2021 A. Addition polymer B. Condensation polymer C. Polyester D. Both B. and C. Related Mcqs: SBR is produced by the copolymerisation of butadiene & styrene by employing emulsion polymerisation. The weight ratio of styrene and butadiene is maintained at_________________?A. 1: 3 B. 3 : 1 C. 1 : 2 D. 2 : 1... Condensation polymerisation of caprolactam is carried out in the reactor maintained at a temperature of __________ °C for producing nylon-6?A. -20 to 25 B. 50 to 75 C. 100 to 150 D. 250-280... _______________ is normally used for the manufacture of refrigerator components and transistor parts?A. Polypropylene B. Polystyrene C. Polyester D. Polyurethane... Neoprene is a___________________?A. Monomer B. Synthetic rubber C. Polyester D. None of these... Plastic articles are normally produced by _____________ moulding?A. Green sand B. Injection C. Shell D. Dry sand...
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