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Polymer Technology

Polymer Technology
Thiokol is nothing but

Polyamide fibre
Exponded polystyrene
Engineering plastic
Polysulphide rubber

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Polymer Technology
Commercial production of polypropylene employs __________ polymerisation.

Suspension
Solution
Emulsion
Bulk

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Polymer Technology
Polymers are classified into four categories namely thermosetting, thermoplastic, elastomer and fibre depending upon their

Resistance to heat
Molecular sizes
Magnitude of intermolecular forces
Polymerisation mechanism

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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.

-5
10-30
500-600
250-280

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Polymer Technology
Polyurathane can not be used for making

Bottles
Adhesives
Coating material
Mattresses & foam

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Polymer Technology
Collapsible tubes for tooth paste are produced by __________ extrusion.

Impact
None of these
Direct
Indirect

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