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Polymer Technology

Polymer Technology
__________ resins are produced by the condensation polymerisation of formaldehyde with urea or melamine.

Phenolic
Alkyd
Amino
Epoxy

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Polymer Technology
Polymers are

Sub-micromolecules
Macromolecules
None of these
Micromolecules

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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.

50
75
99
90

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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

Spongy rubber
Rigid foam
Engineering plastic
Thermosetting polymer

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Polymer Technology
Buna-N is also called

Neoprene
Butyl rubber
Thiokol
Nitrile rubber

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Polymer Technology
Dacron is a/an

Polyamide
Unsaturated polyester
Inorganic polymer
Polyester

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