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Polymer Technology

Polymer Technology
The process involved in converting rubber into a thin sheet or coating it on fabric is called

Extrusion
Mastication
Calendering
Vulcanisation

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Polymer Technology
Branched chair polymers as compared to linear polymers have

None of these
Higher melting point
Lower density
Higher tensile strength

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Polymer Technology
Collapsible tubes for tooth paste are produced by __________ extrusion.

Impact
Indirect
None of these
Direct

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Polymer Technology
__________ is a natural fibre.

None of these
Nylon-6
Cellulose
Dacron

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Polymer Technology
Branched chain polymers compared to linear polymers have higher

Tensile strength
Degree of irregularity in atomic packing
Density
Melting point

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Polymer Technology
Which of the following is generally not drawn into fibre?

Saturated polyesters
Polyamide
Polyacrylonitrile
Unsaturated polyesters

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