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