Which of the following is not a thermoplastic material ?
Which of the following is not a thermoplastic material ?
A. Epoxy polymer
B. PVC
C. Polystyrene
D. Polythene
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The only natural thermoplastic resin, which is a product of animal life is ____________________?
The only natural thermoplastic resin, which is a product of animal life is ____________________?A. Rosin
B. Shellac
C. Amber
D. CopalThermoplastic materials___________________?
Thermoplastic materials___________________?A. Do not soften on application of heat
B. Are heavily branched molecules
C. Are solvent insoluble
D. None of theseThe synthetic fibres produced from _____________ are known as rayon?
The synthetic fibres produced from _____________ are known as rayon?A. Lignin
B. Cellulose
C. Polyamides
D. Ethylene glycolAll thermoplastic, thermosetting & elastic materials can be processed in a extrusion machine, however it cannot be used for the production of plastic_______________?
All thermoplastic, thermosetting & elastic materials can be processed in a extrusion machine, however it cannot be used for the production of plastic_______________?A. Filaments
B. Pipes
C. Buckets
D. TubingsVulcanisation of rubber does not increase its__________________?
Vulcanisation of rubber does not increase its__________________?A. Softness
B. Oxidation resistance
C. Weight & strength
D. Elasticity & water solubilityTransistor parts and refrigerator components are normally made of_____________________?
Transistor parts and refrigerator components are normally made of_____________________?A. Polystyrene
B. Polyester
C. High density polythene
D. Polyurethane