Polymer Technology

A. Cold SBR is superior as compared to hot SBR.

B. Polymerisation temperature can modify the properties of SBR.

C. Production of cold SBR employs lower pressure as compared to that of hot SBR

D. None of these.

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A. nylon-6

B. nylon-66

C. polystyrene

D. PVC

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23

__________ moulding is used for shaping of thermosetting plastics exclusively.

A. Compression

B. Injection

C. Transfer

D. Extrusion

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24

Which of the following is an inorganic polymer ?

A. Teflon

B. Perspex

C. Silicones

D. Bakelite

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25

Which of the following is not a thermoplastic material ?

A. Epoxy polymer

B. PVC

C. Polystyrene

D. Polythene

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