Polymer Technology Out of all the elastomers, natural rubber has the longest elongation range & flexibility of the order of __________ percent. 1000-1500 2000-2500 1-1000 1500-2000 1000-1500 2000-2500 1-1000 1500-2000 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Mastication of rubber means Its softening Depression of its freezing point Improving its curing rate A treatment to retard its deterioration due to oxidation Its softening Depression of its freezing point Improving its curing rate A treatment to retard its deterioration due to oxidation ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Low pressure Zeigler process of polythene manufacture Does not use any catalyst for polymerisation Produces very low density polythene Employs a pressure of 30 kgf/cm² Achieves an yield of 95-98% based on ethylene Does not use any catalyst for polymerisation Produces very low density polythene Employs a pressure of 30 kgf/cm² Achieves an yield of 95-98% based on ethylene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Vulcanisation of raw rubber makes it Soft Tacky Less elastic Plastic Soft Tacky Less elastic Plastic ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Most of the plastics are safe to be used upto a maximum temperature of __________ °C. 450 350 100 150 450 350 100 150 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Buna-S is also called Polyurathane Bakelite SBR Teflon Polyurathane Bakelite SBR Teflon ANSWER DOWNLOAD EXAMIANS APP