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Polymer Technology

Polymer Technology
Vinyl flooring is done using __________ sheets.

PVC
Polypropylene
Polythene
Polyvinyl acetate

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Polymer Technology
Polycaprolactum (Nylon - 6) is produced by the condensation polymerisation of caprolactum at 240-280°C in which the conversion of caprolactum is about __________ percent.

90
50
99
75

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Polymer Technology
Which of the following polymers are produced by employing all bulk polymerisation, solution polymerisation & suspension polymerisation technique of addition (chain) polymerisation?

Epoxy resin
PTFE
PVC
Bakelite

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Polymer Technology
In condensation polymerisation as compared to addition polymerisation

Generally only one monomer is involved
No co-product is lost
The monomers contain two functional groups
The monomers are unsaturated compounds

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Polymer Technology
Which of the following additives are added to plastics to make it impervious to X-rays?

Phthalic acid
Carborundum
Asbestos
Barium salt

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Polymer Technology
Polycondensation of saturated dicarboxylic acid with polyhydric alcohol produces

Epoxy resin
Phenolic resin
Alkyd resin
Polyamide

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