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Polymer Technology

Polymer Technology
The inter particle forces between linear chains in nylon-66 are __________ bonds.

Ionic
Hydrogen
Covalant
None of these

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

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

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Polymer Technology
Most of the fibre forming polymers are crystalline in nature, one of the exceptions being __________ which is amorphous in nature.

Polypropylene
Polyacrylonitrile
Nylon
Polyester

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Polymer Technology
Typical solvent polymerisation reaction conditions for the production of high density polythene by Zeigler process is

1 kgf/cm² (gage) and 70°C
7 kgf/cm² and 700°C
7 kgf/cm² and 70 °C
1000 kgf/cm² and 100°C

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Polymer Technology
Maximum consumption of polymers is in

Coating and films
Toys making
Electrical insulation
Packaging

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Polymer Technology
Thiokol is nothing but

Exponded polystyrene
Engineering plastic
Polysulphide rubber
Polyamide fibre

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