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