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Polymer Technology

Polymer Technology
Polycaprolactum is

Nylon-6
Nylon-66
Rayon
Dacron

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Polymer Technology
Cross linked polymers formed from bi-and trifuctional groups in which cross-linkage in three dimensions via few chemical bonding across linear chains occur imparts to the polymer __________ properties.

Thermosetting
Brittleness
Thermoplastic
Elastometric

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Polymer Technology
Polyvinyl acetate is never used for making

All of these
Adhesives
Fibres
Moulded articles

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Polymer Technology
Antioxidants are added to rubber to protect it from the attack of light, heat & atmospheric ozone. Which of the following is an antioxident used in rubber?

Carbon
Alkylated diphenyl amine
Thiokol
Magnesium

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Polymer Technology
Rayon is a __________ fibre.

Polyester
Cellulosic
Natural
Polyamide

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Polymer Technology
Which of the following is not an elastomer?

Nitrile-butadiene
Polyisoprene
Neoprene
None of these

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