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 75 250-280 100 to 150 -20 to 25 50 to 75 250-280 100 to 150 -20 to 25 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Typical solvent polymerisation reaction conditions for the production of high density polythene by Zeigler process is 1000 kgf/cm² and 100°C 7 kgf/cm² and 700°C 7 kgf/cm² and 70 °C 1 kgf/cm² (gage) and 70°C 1000 kgf/cm² and 100°C 7 kgf/cm² and 700°C 7 kgf/cm² and 70 °C 1 kgf/cm² (gage) and 70°C ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Starting material for the production of SBR is Ethyl alcohol Both A & B Neither A nor B Ethylene Ethyl alcohol Both A & B Neither A nor B Ethylene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology The physical state in which polymers exist is Amorphous glassy state All of these Partially crystalline state Melts & rubber like state Amorphous glassy state All of these Partially crystalline state Melts & rubber like state ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Molecular weight of a polymer is equal to the molecular weight of the repeat unit multiplied by the degree of polymerisation. What is the molecular weight of poly vinyl chloride (PVC), if its degree of polymerisation is 800? 50000 51600 49200 50800 50000 51600 49200 50800 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Visco-elastic behaviour exhibited by plastics is a __________ like behaviour. Neither solid nor liquid Liquid Solid Combination of solid & liquid Neither solid nor liquid Liquid Solid Combination of solid & liquid ANSWER DOWNLOAD EXAMIANS APP