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Polymer Technology

Polymer Technology
__________ is normally used for the manufacture of refrigerator components and transistor parts.

Polyproylene
Polyurathene
Polystyrene
Polyester

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Polymer Technology
Polypropylene is preferred to polythene, because the former is

Harder
Stronger
Non-inflammable
Both B & C

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Polymer Technology
__________ scrap can be recycled & reutilised.

Epoxy resin
Bakelite
None of these
Polythene

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Polymer Technology
Temperature and gage pressure maintained during the manufacture of hot SBR (styrene butediene rubber) are

250°C and 10 kgf/cm²
50°C and 1 kgf/cm²
50°C and 3 - 4 kg/cm²
250°C and 1 kgf/cm²

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Polymer Technology
Ebonite is a/an

Highly vulcanised rubber
Natural rubber
Unvulcanised raw rubber
Adhesive

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Polymer Technology
__________ is an addition polymer

None of these
Bakelite
Polythene
Nylon

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