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Polymer Technology

Polymer Technology
Linear polymers are normally

Elastometric
Thermosetting
Thermosplastic
Having extremely high softening point

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Polymer Technology
Cellulose content in bomboo fibre is about __________ percent.

10
50
20
85

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Polymer Technology
__________ is produced by polymerisation of chloroprene.

Thiokol (a polysulphide rubber)
Butyl rubber
Polyurathane rubber
Neoprene

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Polymer Technology
In a linear polymer, the monomeric units are linked together to form long straight chains. The cross linked or branched chain polymers compared to linear polymers have higher

Hardness, rigidity & brittleness
Densities
Tensile strength
Melting point

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Polymer Technology
Neoprene which is used for making shoe heels & belts is superior to natural rubber in its stability to aerial oxidation and resistance to oils & other solvents. The monomer used for making neoprene is

Chloroethane
Chlorophrene
None of these
Isoprene

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Polymer Technology
Buna-N is also called

Neoprene
Nitrile rubber
Butyl rubber
Thiokol

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MORE MCQ ON Polymer Technology

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