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Polymer Technology

Polymer Technology
__________ tubes are good substitude for human blood vessels onrheart by-pass operation.

Polystyrene
Teflon/dacron
PVC
Polythene

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Polymer Technology
The monomer of natural rubber is

Both B and C
Isoprene
DMT
2 methyl-1-propene

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Polymer Technology
Which of the following is generally not drawn into fibre?

Unsaturated polyesters
Polyamide
Saturated polyesters
Polyacrylonitrile

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Polymer Technology
Alkyd resin e.g., glyptal resin formed by phthalic anhydride and glycerene is not used

For surface coating of automobiles & air crafts
For film forming materials
For fibre making
As plasticiser for PVC & nitrocellulose

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Polymer Technology
The organic acid monomer in nylon 66 is

Adipic acid
Sebasic acid
Terephthalic acid
Benzoic acid

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Polymer Technology
Visco-elastic behaviour exhibited by plastics is a __________ like behaviour.

Liquid
Solid
Neither solid nor liquid
Combination of solid & liquid

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