Polymer Technology The generic chemical name for the class of polymers which are commerically known as nylons is Polyamide Polyacrylate Polyurathane Polyolefins Polyamide Polyacrylate Polyurathane Polyolefins ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology A chain growth polymerisation reaction consists of three different types of reaction namely initiation reaction, propagation reaction & termination reaction. Chain growth polymerisation reaction is not involved in the manufacture of Polyamides Vinyl polymers Urea-formaldehyde resins Siloxane elastomers Polyamides Vinyl polymers Urea-formaldehyde resins Siloxane elastomers ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following additives are added to plastics to make it impervious to X-rays? Phthalic acid Barium salt Asbestos Carborundum Phthalic acid Barium salt Asbestos Carborundum ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polyesters are manufactured by the polycondensation reaction of A single monomer Carboxylic acid with ethylene Dibasic acid with dihydric alcohol Inorganic acid with ethylene glycol A single monomer Carboxylic acid with ethylene Dibasic acid with dihydric alcohol Inorganic acid with ethylene glycol ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Nylon-6 as compared to nylon-66 is Harder Having higher melting point More abrasion resistant None of these Harder Having higher melting point More abrasion resistant None of these ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Neoprene which is used for making shoe heels & belts is superior to natural rubber in its stability to aerial oxidation and resistance to oils & other solvents. The monomer used for making neoprene is Chlorophrene Isoprene Chloroethane None of these Chlorophrene Isoprene Chloroethane None of these ANSWER DOWNLOAD EXAMIANS APP
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