Polymer Technology Condensation polymerisation of __________ produces bakelite. Urea & formaldehyde Propylene Phenol & acetaldehyde Phenol & formaldehyde Urea & formaldehyde Propylene Phenol & acetaldehyde Phenol & formaldehyde ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polypropylene is preferred to polythene, because the former is Stronger Non-inflammable Both B & C Harder Stronger Non-inflammable Both B & C Harder ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following is a copolymer? Teflon Bakelite Polythene PVC Teflon Bakelite Polythene PVC ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Orlan fibre which is used as a wool sub stitute is Polymethylmethacrylate (PMMA) An amorphous polymer Polyacrylonitrile A natural polymeric fibre Polymethylmethacrylate (PMMA) An amorphous polymer Polyacrylonitrile A natural polymeric fibre ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Plastic articles are normally produced by __________ moulding. Injection Shell Green sand Dry sand Injection Shell Green sand Dry sand ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polyesters are manufactured by the polycondensation reaction of Carboxylic acid with ethylene A single monomer Dibasic acid with dihydric alcohol Inorganic acid with ethylene glycol Carboxylic acid with ethylene A single monomer Dibasic acid with dihydric alcohol Inorganic acid with ethylene glycol ANSWER DOWNLOAD EXAMIANS APP