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. 99 75 50 90 99 75 50 90 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Unbreakable crockeries are made from __________ polymers. Polyurathane Polystyrene Melamine Polystyrene Polyurathane Polystyrene Melamine Polystyrene 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 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 Improving its curing rate ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Tubeless tyres are made of __________ rubber, which is a co-polymer of isoprene & isobutylene. Neoprene Butyl Silicone Nitrile Neoprene Butyl Silicone Nitrile ANSWER DOWNLOAD EXAMIANS APP