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 75 99 90 50 75 99 90 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Neoprene which is used for making shoe heels & belts is superior to natural rubber in its stability to aerial oxidation and resistance to oils & other solvents. The monomer used for making neoprene is Chloroethane Chlorophrene None of these Isoprene Chloroethane Chlorophrene None of these Isoprene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Most commonly used rubber vulcanisation agent is Sulphur Platinum Bromine Alumina Sulphur Platinum Bromine Alumina ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following types of polymers has the strongest inter particle forces? Thermoplastics Fibres Elastomers Thermosetting polymers Thermoplastics Fibres Elastomers Thermosetting polymers ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Dacron (or terylene) fibres as compared to nylon fibres have Poorer dyeability Better heat & acid resistant properties All of these Poorer resistance to alkalis Poorer dyeability Better heat & acid resistant properties All of these Poorer resistance to alkalis ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology The synthetic fibres produced from __________ are known as rayon. Ethylene glycol Polyamides Lignin Cellulose Ethylene glycol Polyamides Lignin Cellulose ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS