______________ fibres are made of polyamides?
______________ fibres are made of polyamides?
A. Dacron
B. Nylon
C. Rayon
D. Orion
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_____________ is a thermosetting plastic ?
_____________ is a thermosetting plastic ?A. PVC
B. Polythene
C. Bakelite
D. PolystyreneChain 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 __________________?
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 __________________?A. Nylon-66
B. Teflon
C. Polyester
D. BakeliteWhich of the following polymers are produced by employing all bulk polymerisation, solution polymerisation & suspension polymerisation technique of addition (chain) polymerisation ?
Which of the following polymers are produced by employing all bulk polymerisation, solution polymerisation & suspension polymerisation technique of addition (chain) polymerisation ?A. PVC
B. Bakelite
C. PTFE
D. Epoxy resinRayon is a ____________ fibre?
Rayon is a ____________ fibre?A. Cellulosic
B. Polyamide
C. Polyester
D. Natural90% of the caprolactam is converted to nylon-6 on its condensation polymerisation in the reactor maintained at a temperature of _____________ °C?
90% of the caprolactam is converted to nylon-6 on its condensation polymerisation in the reactor maintained at a temperature of _____________ °C?A. -5
B. 10-30
C. 250-280
D. 500-600Synthetic rubber___________________?
Synthetic rubber___________________?A. Deforms, if stretched to double of its original dimension
B. Is brittle at low temperature
C. Is softer at higher temperature
D. Is highly permeable to air & water and is readily attacked by chemicals & atmospheric gases