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Polymer Technology

Polymer Technology
Maximum consumption of polymers is in

Coating and films
Packaging
Toys making
Electrical insulation

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Polymer Technology
Viscosity of a polymer solution or melt

Decreases with increase in molecular weight
Does not vary with temperature rise
Increases with increase in temperature
Decreases with increase in temperature

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Polymer Technology
Which of the following is a natural polyamide fibre.

None of these
Silk
Wool
Cotton

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Polymer Technology
__________ of SBR is adversely affected, if more quantity of styrene is added to butadiene during its co-polymerisation to produce SBR.

Freezing point
Resilience
Strength
Percent elongation

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Polymer Technology
Due to its excellent permeability to air/gas and oxidation resistance, the tubes of automobile tyres is made of

Bunai N
Buna S
Butyl rubber
Cold SBR

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Polymer Technology
The generic chemical name for the class of polymers which are commerically known as nylons is

Polyolefins
Polyurathane
Polyamide
Polyacrylate

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