Polymer Technology Polymers are classified into four categories namely thermosetting, thermoplastic, elastomer and fibre depending upon their Magnitude of intermolecular forces Molecular sizes Polymerisation mechanism Resistance to heat Magnitude of intermolecular forces Molecular sizes Polymerisation mechanism Resistance to heat ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Softening point of high density polythene is about __________ °C. 205 135 85 165 205 135 85 165 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following is not a thermoplastic material? Polystyrene Polythene Epoxy polymer PVC Polystyrene Polythene Epoxy polymer PVC ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Cellulose is the main contituent of most __________ fibres. Acrylic Natural Synthetic Spandex Acrylic Natural Synthetic Spandex ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Most of the plastics are safe to be used upto a maximum temperature of __________ °C. 100 450 150 350 100 450 150 350 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology __________ are produced by reacting polybasic acid (e.g. phthalic anhydride) with polyhydric alcohol (e.g., glycerol). Alkyd resins Saturated polyester Unsaturated polyester Amino resins Alkyd resins Saturated polyester Unsaturated polyester Amino resins ANSWER DOWNLOAD EXAMIANS APP
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