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Polymer Technology

Polymer Technology
Buna-N is also called

Thiokol
Nitrile rubber
Neoprene
Butyl rubber

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Polymer Technology
Maximum consumption of polymers is in

Packaging
Toys making
Electrical insulation
Coating and films

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Polymer Technology
__________ moulding is used for shaping of thermosetting plastics exclusively.

Injection
Compression
Extrusion
Transfer

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Polymer Technology
Melt spinning of polymers involves the forcing of polymer melt through spinnerettes (fine holes) into an atmosphere kept at a temperature lower than the melting point of the polymer, which causes the fine diameter polymer melt to harden into filaments. Melt spinning is not used in case of the __________ fibres.

Polyester
Acrylic
Polypropylene
Nylon 6:6

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Polymer Technology
Which of the following is an inorganic polymer?

Teflon
Perspex
Silicones
Bakelite

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Polymer Technology
Most commonly used rubber vulcanisation agent is

Alumina
Bromine
Platinum
Sulphur

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