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Polymer Technology

Polymer Technology
Caprolactum, a raw material for the manufacture of nylon-6, is produced from

Benzene
Naphthalene
Phenol
Pyridine

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Polymer Technology
Which of the following polymers belong to the class of formaldehyde resin?

Dacron
Teflon
Melamine resins
None of these

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Polymer Technology
Chain growth polymerisation is a process, in which the monomers are added in a chain fashion, and it requires an initiator to produce the free radical. An example of chain growth polymerisation products is

Polyester
Nylon-66
Teflon
Bakelite

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Polymer Technology
Crystallisation of polymers is an undesirable property. Crystallisation of celluloid is prevented by adding

None of these
Glycerol
Camphor
Nitro cellulose

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Polymer Technology
In case of dry spinning of polymers, the polymer solution in a volatile solvent is forced through the spinnerates into a warm air chamber, where the solvent evaporates leaving behind the polymer in the filament form. Dry spinning is used for __________ fibres.

PVC
Polyvinyl acetate
Polythene
Rayon

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Polymer Technology
Unbreakable crockeries are made from __________ polymers.

Melamine
Polystyrene
Polystyrene
Polyurathane

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