Polymer Technology In a cross linked polymer, the monomeric units are linked together to constitute a three dimensional network. Which of the following is a cross-linked polymer? Bakelite (phenol formaldehyde) Polythene Polyester Nylon-6 Bakelite (phenol formaldehyde) Polythene Polyester Nylon-6 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Thermosetting polymers as compared to thermoplastic polymers Have three dimensional structure Are formed by addition polymerisation Have linear structure None of these Have three dimensional structure Are formed by addition polymerisation Have linear structure None of these ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Most of the plastics are safe to be used upto a maximum temperature of __________ °C. 100 350 150 450 100 350 150 450 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology The physical state in which polymers exist is Amorphous glassy state All of these Partially crystalline state Melts & rubber like state Amorphous glassy state All of these Partially crystalline state Melts & rubber like state ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Cellulose is the main contituent of most __________ fibres. Spandex Synthetic Acrylic Natural Spandex Synthetic Acrylic Natural ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology The only natural thermoplastic resin, which is a product of animal life is Amber Copal Shellac Rosin Amber Copal Shellac Rosin ANSWER DOWNLOAD EXAMIANS APP
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