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Polymer Technology

Polymer Technology
Polystyrene is a __________ plastic at room temperature.

None of these
Malleable
Brittle
Ductile

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Polymer Technology
Silicone resins, which are highly water repellant and has good heat resistance can not be used

As room temperature adhesive
Hydraulic fluid for heat transfer
Resin for lamination
As grease & lubricant

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Polymer Technology
Celluloid is

Cellulose acetate butyrate
Cellulose nitrate
Regenerated cellulose
Cellulose acetate

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

500
250
50
-20

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Polymer Technology
Polycaprolactum is

Rayon
Nylon-66
Nylon-6
Dacron

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Polymer Technology
Transistor parts and refrigerator components are normally made of

Polyurathane
High density polythene
Polystyrene
Polyester

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