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Polymer Technology

Polymer Technology
Paper like thin plastic articles can be produced by

Injection moulding
None of these
Vacuum thermo forming
Blow moulding

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Polymer Technology
Thermosetting resins/polymers as compared to thermoplastic ones are

Soluble in all organic solvents
Formed by addition polymerisation only
Easily reshaped & reused
More brittle

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Polymer Technology
Commercial production of polypropylene employs __________ polymerisation.

Emulsion
Bulk
Suspension
Solution

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Polymer Technology
Plastic articles are normally produced by __________ moulding.

Dry sand
Green sand
Shell
Injection

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Polymer Technology
Celluloid is

Cellulose nitrate
Regenerated cellulose
Cellulose acetate
Cellulose acetate butyrate

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Polymer Technology
Polyvinyl alcohol is used as a

Non-sticky coating on frying pans
Water soluble adhesive
Cation/anion exchanger
Textile fibre

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MORE MCQ ON Polymer Technology

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