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Polymer Technology

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

PVC
Teflon/dacron
Polythene
Polystyrene

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Polymer Technology
Which of the following natural bio polymers are formed as a result of polymerisation of amino-acids?

Nucleic acids
Proteins
Starch
Cellulose

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Polymer Technology
The rate controlling step in the manufacture of silicone rubber is the

Condensation of siloxane to silicone
Initial hydrolysis of silicone monomer
None of these
Polymer termination step

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Polymer Technology
Hot drink (e.g, tea) cups are usually made of

Polystyrene
PVC
Polypropylene
Polythene

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Polymer Technology
Which of the following polymers is used for making a non stick coating on frying pans?

Perspex
PVC
Teflon
Bakelite

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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

Chlorophrene
Chloroethane
None of these
Isoprene

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