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Polymer Technology

Polymer Technology
Density of low density polythene is about __________ gm/c.c.

0.81
0.91
0.56
0.38

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Polymer Technology
Temperature maintained in the emulsion polymerisation reactor for PVC manufacture is about __________ ° C.

50
-20
500
250

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Polymer Technology
Polymethyl methacrylate, which is an acrylic resin, is also called

Plexiglass or lucite
Teflon
Thiokol
Dacron

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Polymer Technology
Polymers are

Sub-micromolecules
Macromolecules
Micromolecules
None of these

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Polymer Technology
In a co-polymer, the repeating units contain two different monomers. Which of the following is a copolymer?

PTFE
Polycaprolactum
Buna-S
PMMA

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Polymer Technology
Trade name of __________ is neoprene.

Poly vinyl acetate
Polyisoprene
Polychloroprene
Polytetraflouroethylene

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