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Polymer Technology

Polymer Technology
Linear polymers are normally

Elastometric
Thermosetting
Thermosplastic
Having extremely high softening point

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Polymer Technology
Thermosplastic materials

Are solvent insoluble
Are heavily branched molecules
Do not soften on application of heat
None of these

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Polymer Technology
Which of the following is not a polyolefin?

Polypropylene
Polystyrene
None of these
Neoprene

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Polymer Technology
Poly tetra flouro ethylene (PTFE) is known as

Dacron
Celluloid
Teflon
Bakelite

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Polymer Technology
Tyres are made by

Extrusion
Rotational moulding
Compression moulding
Injection moulding

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Polymer Technology
Diphenylamine is added to rubber to

Make it non-inflammable
Valcanise it
Make it thermosetting
Protect it from deterioration on exposure to air

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