Polymer Technology The monomer for the production of neoprene rubber is Acetylene None of these Chloroprene Isoprene Acetylene None of these Chloroprene Isoprene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Synthetic rubber Is softer at higher temperature Is highly permeable to air & water and is readily attacked by chemicals & atmospheric gases Is brittle at low temperature Deforms, if stretched to double of its original dimension Is softer at higher temperature Is highly permeable to air & water and is readily attacked by chemicals & atmospheric gases Is brittle at low temperature Deforms, if stretched to double of its original dimension ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Main constituent of natural rubber is Polystyrene Poly chloroprene Polyisoprene Polybutadiene Polystyrene Poly chloroprene Polyisoprene Polybutadiene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Most commonly used rubber vulcanisation agent is Platinum Alumina Sulphur Bromine Platinum Alumina Sulphur Bromine ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology 90% of the caprolactum is converted to nylon-6 on its condensation polymerisation in the reactor maintained at a temperature of __________ °C. 10-30 -5 250-280 500-600 10-30 -5 250-280 500-600 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following is the lowest cost plastic commercially available? Teflon PVC Bakelite Polythene Teflon PVC Bakelite Polythene ANSWER DOWNLOAD EXAMIANS APP
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