Polymer Technology Buna-N is also called Butyl rubber Thiokol Nitrile rubber Neoprene Butyl rubber Thiokol Nitrile rubber Neoprene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Dacron is a Condensation polymerisation product of hexamethylene diamine and adipic acid Thermosetting material Condensation polymerisation product of dimethyl terephthalate (DMT) and ethylene glycol None of these Condensation polymerisation product of hexamethylene diamine and adipic acid Thermosetting material Condensation polymerisation product of dimethyl terephthalate (DMT) and ethylene glycol None of these ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following is not a condensation polymer? None of these Polymethylmethacrylate (PMMA) Melamine polymer Bakelite None of these Polymethylmethacrylate (PMMA) Melamine polymer Bakelite ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Addition of plasticisers to polymers results in partial neutralisation of intermolecular forces of attraction between the macro-molecules thereby increasing its Chemical resistance Flexibility Tensile strength All of these Chemical resistance Flexibility Tensile strength All of these ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Low pressure Zeigler process of polythene manufacture 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 Does not use any catalyst for polymerisation Produces very low density polythene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Main constituent of natural rubber is Polyisoprene Polybutadiene Polystyrene Poly chloroprene Polyisoprene Polybutadiene Polystyrene Poly chloroprene ANSWER DOWNLOAD EXAMIANS APP
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