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Polymer Technology

Polymer Technology
__________ is a homopolymer.

Bakelite
Nylon-66
Neoprene
Terylene

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Polymer Technology
Epoxy resin is

A good abrasive
Not used for surface coating
A polyester
An elastomer

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Polymer Technology
__________ resins are produced by the condensation polymerisation of formaldehyde with urea or melamine.

Alkyd
Epoxy
Phenolic
Amino

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Polymer Technology
Molecular weight of a polymer is equal to the molecular weight of the repeat unit multiplied by the degree of polymerisation. What is the molecular weight of poly vinyl chloride (PVC), if its degree of polymerisation is 800?

50800
49200
50000
51600

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

Polyacrylonitrile
Unsaturated polyesters
Saturated polyesters
Polyamide

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Polymer Technology
Melamine formaldehyde resin which has a very high anti tacking properties, is not used for the

Electrical insulation purpose
Strengthening of plaster of paris
Decorative laminates
Tanning of leather

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