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. 50 90 99 75 50 90 99 75 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Unbreakable crockeries are made from __________ polymers. Melamine Polystyrene Polystyrene Polyurathane Melamine Polystyrene Polystyrene Polyurathane ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following additives are added to plastics to make it impervious to X-rays? Phthalic acid Carborundum Asbestos Barium salt Phthalic acid Carborundum Asbestos Barium salt ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Mastication of rubber means Improving its curing rate A treatment to retard its deterioration due to oxidation Depression of its freezing point Its softening Improving its curing rate A treatment to retard its deterioration due to oxidation Depression of its freezing point Its softening ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Tubeless tyres are made of __________ rubber, which is a co-polymer of isoprene & isobutylene. Butyl Silicone Neoprene Nitrile Butyl Silicone Neoprene Nitrile ANSWER DOWNLOAD EXAMIANS APP
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