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 90 50 75 99 90 50 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Crystallisation of polymers is an undesirable property. Crystallisation of celluloid is prevented by adding Nitro cellulose Camphor Glycerol None of these Nitro cellulose Camphor Glycerol None of these ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Visco-elastic behaviour exhibited by plastics is a __________ like behaviour. Neither solid nor liquid Liquid Combination of solid & liquid Solid Neither solid nor liquid Liquid Combination of solid & liquid Solid ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Condensation polymerisation of caprolac-tum is carried out in the reactor maintained at a temperature of __________ °C for producing nylon-6. 50 to 75 100 to 150 -20 to 25 250-280 50 to 75 100 to 150 -20 to 25 250-280 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology The starting material used for the manufacture of caprolactum is Ethyl benzene Cyclohexane DMT Ethylene glycol Ethyl benzene Cyclohexane DMT Ethylene glycol ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology __________ polythene is most prone to stress-cracking Cross-linked Low density Linear low density High density Cross-linked Low density Linear low density High density ANSWER DOWNLOAD EXAMIANS APP
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