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Polymer Technology

Polymer Technology
__________ is not a polyester fibre.

Terylene
Polyacrylonitrite
Nylon
Dacron

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Polymer Technology
Epoxy resin is

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

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Polymer Technology
Main constituent of cotton fibre is

Starch
Gelatine
Lignin
Cellulose

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Polymer Technology
Condensation polymerisation of __________ produces bakelite.

Phenol & acetaldehyde
Phenol & formaldehyde
Urea & formaldehyde
Propylene

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Polymer Technology
Contact lenses for eyes are made of perspex, which is nothing but

Unsaturated polyester
Polystyrene
Polypropylene
Polymethylmethacrylate

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

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

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