Polymer Technology Polycaprolactum (Nylon - 6) is produced by the condensation polymerisation of caprolactum at 240-280°C in which the conversion of caprolactum is about __________ percent. 75 50 90 99 75 50 90 99 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Unbreakable crockeries are made from __________ polymers. Polyurathane Polystyrene Polystyrene Melamine Polyurathane Polystyrene Polystyrene Melamine ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following additives are added to plastics to make it impervious to X-rays? Asbestos Barium salt Phthalic acid Carborundum Asbestos Barium salt Phthalic acid Carborundum ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Mastication of rubber means Depression of its freezing point Improving its curing rate Its softening A treatment to retard its deterioration due to oxidation Depression of its freezing point Improving its curing rate Its softening A treatment to retard its deterioration due to oxidation ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Tubeless tyres are made of __________ rubber, which is a co-polymer of isoprene & isobutylene. Butyl Nitrile Silicone Neoprene Butyl Nitrile Silicone Neoprene ANSWER DOWNLOAD EXAMIANS APP
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