Polymer Technology Polyesters are manufactured by the polycondensation reaction of Carboxylic acid with ethylene Inorganic acid with ethylene glycol Dibasic acid with dihydric alcohol A single monomer Carboxylic acid with ethylene Inorganic acid with ethylene glycol Dibasic acid with dihydric alcohol A single monomer ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following is not a natural fibre? Silk Viscose rayon Wool Cotton Silk Viscose rayon Wool Cotton ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Dacron (or terylene) fibres as compared to nylon fibres have Poorer dyeability Better heat & acid resistant properties All of these Poorer resistance to alkalis Poorer dyeability Better heat & acid resistant properties All of these Poorer resistance to alkalis ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following is a polymer of hexamethylene diamine and adipic acid? Nylon-66 Epoxy resin Nylon-6 Nylon-6, 10 Nylon-66 Epoxy resin Nylon-6 Nylon-6, 10 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Flexible foam (for mattresses) are usually made of Polyurethanes PVC Silicone rubber Polyamides Polyurethanes PVC Silicone rubber Polyamides ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology All thermoplastic, thermosetting & elastic materials can be processed in a extrusion machine, however it can not be used for the production of plastic Buckets Filaments Pipes Tubings Buckets Filaments Pipes Tubings ANSWER DOWNLOAD EXAMIANS APP
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