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Polymer Technology

Polymer Technology
Vinyl flooring is done using __________ sheets.

Polypropylene
Polyvinyl acetate
PVC
Polythene

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Polymer Technology
Neoprene is rendered non-inflammable, because of

Its linear chain structure
The presence of chlorine atoms in its monomer
The absence of chlorine atoms in its monomer
Its cross-linked structure

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Polymer Technology
Which of the following is a copolymer?

PVC
Polythene
Bakelite
Teflon

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Polymer Technology
Thermoplastic resins usually

Permanent setting resins
Less brittle than thermosetting resins
Remain hard as long as they are hot
Can not be reclaimed from waste

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Polymer Technology
A chain growth polymerisation reaction consists of three different types of reaction namely initiation reaction, propagation reaction & termination reaction. Chain growth polymerisation reaction is not involved in the manufacture of

Polyamides
Urea-formaldehyde resins
Siloxane elastomers
Vinyl polymers

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Polymer Technology
Which of the following is the lowest cost plastic commercially available?

Polythene
PVC
Teflon
Bakelite

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