Polymer Technology Addition of stabiliser during PVC manufacture is done to Improve its elasticity Improve its impact strength Reduce the melt viscosity & glass transition temperature Prevent its thermal degradation Improve its elasticity Improve its impact strength Reduce the melt viscosity & glass transition temperature Prevent its thermal degradation ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology __________ tubes are good substitude for human blood vessels onrheart by-pass operation. PVC Polythene Polystyrene Teflon/dacron PVC Polythene Polystyrene Teflon/dacron ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following polymers does not belong to the class of polyacrylate polymer? PMMA None of these Polyacrylonitrile Polyethyl acrylate PMMA None of these Polyacrylonitrile Polyethyl acrylate ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Most commonly used rubber vulcanisation agent is Alumina Sulphur Platinum Bromine Alumina Sulphur Platinum Bromine ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Rayon is a __________ fibre. Cellulosic Natural Polyamide Polyester Cellulosic Natural Polyamide Polyester ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Plasticisers are high boiling liquids added to plastic polymers to impart toughness and flexibility at ordinary temperature. Which of the following is not a plasticiser? Stearic acid estors Ethylene glycol Esters of phthalic acid Tricresyl phosphate Stearic acid estors Ethylene glycol Esters of phthalic acid Tricresyl phosphate ANSWER DOWNLOAD EXAMIANS APP
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