Polymer Technology Which of the following is not a thermoplastic material? Polythene Epoxy polymer Polystyrene PVC Polythene Epoxy polymer Polystyrene PVC ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polyesters are manufactured by the polycondensation reaction of A single monomer Inorganic acid with ethylene glycol Carboxylic acid with ethylene Dibasic acid with dihydric alcohol A single monomer Inorganic acid with ethylene glycol Carboxylic acid with ethylene Dibasic acid with dihydric alcohol ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following is a natural polyamide fibre. Cotton Silk None of these Wool Cotton Silk None of these Wool ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology __________ are produced by reacting polybasic acid (e.g. phthalic anhydride) with polyhydric alcohol (e.g., glycerol). Unsaturated polyester Amino resins Saturated polyester Alkyd resins Unsaturated polyester Amino resins Saturated polyester Alkyd resins ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polystyrene is a __________ plastic at room temperature. Ductile None of these Brittle Malleable Ductile None of these Brittle Malleable ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Plastic articles are normally produced by __________ moulding. Dry sand Shell Injection Green sand Dry sand Shell Injection Green sand ANSWER DOWNLOAD EXAMIANS APP