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Polymer Technology

Polymer Technology
Hot drink (e.g, tea) cups are usually made of

Polypropylene
Polythene
Polystyrene
PVC

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Polymer Technology
Bakelite (phenol-formaldehyde) resin can not be used as

Glass reinforced plastics
Decorative laminates
Electrical insulation
Decorative paint

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Polymer Technology
Which of the following is generally not used as eord for synthetic rubber tyre casing?

Dacron
Nylon
Cellulose
None of these

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Polymer Technology
Condensation polymerisation is not involved in the manufacture of

Terylene
Polythene
Teflon
Nylon

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Polymer Technology
Cross linked polymers formed from bi-and trifuctional groups in which cross-linkage in three dimensions via few chemical bonding across linear chains occur imparts to the polymer __________ properties.

Brittleness
Thermosetting
Elastometric
Thermoplastic

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Polymer Technology
Diphenylamine is added to rubber to

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

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