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Polymer Technology

Polymer Technology
Cellulose is the main contituent of most __________ fibres.

Spandex
Natural
Acrylic
Synthetic

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Polymer Technology
Temperature maintained in the emulsion polymerisation reactor for PVC manufacture is about __________ ° C.

500
250
-20
50

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

Unsaturated polyester
Polypropylene
Polystyrene
Polymethylmethacrylate

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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
Nylon
Polyester
Polyacrylonitrile

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Polymer Technology
Rayon is superior to cotton in making gauge for wound treatment, because rayon

Is a synthetic polymer
Does not stick to the wound unlike cotton
Can absorb over 90% of its own weight of water
Both B & C

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

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

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