Polymer Technology Addition of stabiliser during PVC manufacture is done to Reduce the melt viscosity & glass transition temperature Improve its elasticity Improve its impact strength Prevent its thermal degradation Reduce the melt viscosity & glass transition temperature Improve its elasticity Improve its impact strength Prevent its thermal degradation ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following additives are added to plastics to make it impervious to X-rays? Carborundum Asbestos Barium salt Phthalic acid Carborundum Asbestos Barium salt Phthalic acid ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Thiokol is nothing but Engineering plastic Exponded polystyrene Polysulphide rubber Polyamide fibre Engineering plastic Exponded polystyrene Polysulphide rubber Polyamide fibre 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. -5 10-30 250-280 500-600 -5 10-30 250-280 500-600 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Condensation polymerisation of formaldehyde with __________ does not produce phenolic resin. Melamine Para-cresol Phenol Resorcinol Melamine Para-cresol Phenol Resorcinol ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following polymers does not belong to the class of polyacrylate polymer? None of these Polyacrylonitrile Polyethyl acrylate PMMA None of these Polyacrylonitrile Polyethyl acrylate PMMA ANSWER DOWNLOAD EXAMIANS APP
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