Polymer Technology Polyesters are manufactured by the polycondensation reaction of Inorganic acid with ethylene glycol Dibasic acid with dihydric alcohol Carboxylic acid with ethylene A single monomer Inorganic acid with ethylene glycol Dibasic acid with dihydric alcohol Carboxylic acid with ethylene A single monomer ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Typical solvent polymerisation reaction conditions for the production of high density polythene by Zeigler process is 7 kgf/cm² and 70 °C 1000 kgf/cm² and 100°C 1 kgf/cm² (gage) and 70°C 7 kgf/cm² and 700°C 7 kgf/cm² and 70 °C 1000 kgf/cm² and 100°C 1 kgf/cm² (gage) and 70°C 7 kgf/cm² and 700°C ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Terylene is a/an Addition polymer Poly amide Homopolymer None of these Addition polymer Poly amide Homopolymer None of these ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following is not a natural polymer? Polyurethane Polysaccharides Polyisoprene Nucleic acids e.g. RNA and DNA Polyurethane Polysaccharides Polyisoprene Nucleic acids e.g. RNA and DNA ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Dacron (or terylene) fibres as compared to nylon fibres have Poorer dyeability All of these Better heat & acid resistant properties Poorer resistance to alkalis Poorer dyeability All of these Better heat & acid resistant properties Poorer resistance to alkalis ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Most commonly used rubber vulcanisation agent is Platinum Sulphur Bromine Alumina Platinum Sulphur Bromine Alumina ANSWER DOWNLOAD EXAMIANS APP