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Polymer Technology

Polymer Technology
The conversion of caprolactum in the above case is about __________ percent.

25
70
50
90

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Polymer Technology
In nylon-6, the number 6 represents the total number of

Carbon atoms in the linear polymer chain
Carbon atoms in the ring
Hydrogen atoms in the ring
Nitrogen atoms in the ring

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Polymer Technology
Perspex can be used as a substitute of glass. Its monomer is

DMT
Tetrafluroethylene
Methyl methacrylate
Butadiene

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Polymer Technology
Scouring is a finishing operation during the manufacture of fibre, which aims at __________ of fibres.

Glycol soaking
Improving the stretchability
Dyeing/colouring
Detergent solution washing

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Polymer Technology
The synthetic fibres produced from __________ are known as rayon.

Cellulose
Ethylene glycol
Lignin
Polyamides

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Polymer Technology
Crystallisation of polymers is an undesirable property. Crystallisation of celluloid is prevented by adding

Camphor
Glycerol
Nitro cellulose
None of these

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