Polymer Technology Out of all the elastomers, natural rubber has the longest elongation range & flexibility of the order of __________ percent. 2000-2500 1500-2000 1000-1500 1-1000 2000-2500 1500-2000 1000-1500 1-1000 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following polymers shows the highest anti-tacking properties? Phenolic resin Melamine formaldehyde resin Epoxy resin Alkyd resin Phenolic resin Melamine formaldehyde resin Epoxy resin Alkyd resin ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology __________ is an addition polymer None of these Nylon Bakelite Polythene None of these Nylon Bakelite Polythene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Visco-elastic behaviour exhibited by plastics is a __________ like behaviour. Combination of solid & liquid Solid Neither solid nor liquid Liquid Combination of solid & liquid Solid Neither solid nor liquid Liquid ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Temperature maintained in the emulsion polymerisation reactor for PVC manufacture is about __________ ° C. -20 50 500 250 -20 50 500 250 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Addition of stabiliser during PVC manufacture is done to Improve its impact strength Improve its elasticity Reduce the melt viscosity & glass transition temperature Prevent its thermal degradation Improve its impact strength Improve its elasticity Reduce the melt viscosity & glass transition temperature Prevent its thermal degradation ANSWER DOWNLOAD EXAMIANS APP