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Polymer Technology

Polymer Technology
Cross linked polymers are

Thermoplastic
Fibres only
Thermosetting
Either A or B

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Polymer Technology
Out of all the elastomers, natural rubber has the longest elongation range & flexibility of the order of __________ percent.

1000-1500
1-1000
2000-2500
1500-2000

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Polymer Technology
The major constituent of laminate of safety glass, which holds the broken glass, pieces in their places during accident (and thus minimises the danger from flying glass fragments) is

Polyvinyl butyral
Polyvinyl alcohol
Polyvinyl acetale
PVC

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Polymer Technology
__________ is a homopolymer.

Neoprene
Bakelite
Terylene
Nylon-66

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Polymer Technology
Flexible foam (for mattresses) are usually made of

PVC
Silicone rubber
Polyurethanes
Polyamides

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Polymer Technology
__________ of SBR is adversely affected, if more quantity of styrene is added to butadiene during its co-polymerisation to produce SBR.

Strength
Percent elongation
Resilience
Freezing point

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