Polymer Technology MCQ Questions & Answers | Chemical Engineering

A. PVC

B. Bakelite

C. Polythene

D. Teflon

A. Polystyrene

B. SBR

C. P.T.F.E.

D. Polypropylene

A. PTFE

B. Buna-S

C. PMMA

D. Polycaprolactum

A. As a plasticiser for unsaturated polyester

B. In the manufacture of synthetic rubber

C. As an anti-skimming agent in paint

D. None of these

A. Ni

B. V₂O₅

C. Fe

D. Aluminium triethyl combined with titanium tetrachloride

A. Remain hard as long as they are hot

B. Can not be reclaimed from waste

C. Permanent setting resins

D. Less brittle than thermosetting resins

A. Are cross-linked molecules

B. Soften on application of heat

C. Are solvent soluble

D. None of these

A. Addition polymers are generally formed by chain growth polymerisation

B. Condensation polymers are generally formed by step growth polymerisation

C. Teflon is formed by step growth polymerisation

D. Bakelite is formed by step growth polymerisation

A. Do not soften on application of heat

B. Are heavily branched molecules

C. Are solvent insoluble

D. None of these

A. Polysulphide rubber

B. Polyamide fibre

C. Engineering plastic

D. Exponded polystyrene