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Polymer Technology

Polymer Technology
Tyres are made by

Compression moulding
Rotational moulding
Injection moulding
Extrusion

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Polymer Technology
90% of the caprolactum is converted to nylon-6 on its condensation polymerisation in the reactor maintained at a temperature of __________ °C.

10-30
500-600
-5
250-280

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Polymer Technology
Which of the following is an inorganic polymer?

Teflon
Perspex
Bakelite
Silicones

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Polymer Technology
__________ of SBR is adversely affected, if more quantity of styrene is added to butadiene during its co-polymerisation to produce SBR.

Resilience
Strength
Percent elongation
Freezing point

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Polymer Technology
Acrylonitrile-butadiene-styrene (ABS) copolymer, which is produced by blending styrene-acrylonitfile copolymer with butadiene based elastomer, is a/an

Rigid foam
Engineering plastic
Spongy rubber
Thermosetting polymer

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Polymer Technology
Condensation polymerisation is not involved in the manufacture of

Polythene
Terylene
Nylon
Teflon

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