Chemical Engineering MCQs

Page No. 327

_____________ is a homopolymer?


aNeoprene

✓


bBakelite

✖


cNylon-66

✖


dTerylene

✖


View Answer Neoprene

Acrylonitrile is mainly used in the _____________ industry?


aPolymer

✓


bPrinting

✖


cDyeing

✖


dPhotographic

✖


View Answer Polymer

Silicone is a/an ___________________?


aMonomer

✖


bInorganic polymer

✓


cThermoplastic material

✖


dA natural polymer

✖


View Answer Inorganic polymer

A chain growth polymerisation reaction consists of three different types of reaction namely initiation reaction, propagation reaction & termination reaction. Chain growth polymerisation reaction is not involved in the manufacture of_______________________?


aSiloxane elastomers

✖


bPolyamides

✖


cVinyl polymers

✖


dUrea-formaldehyde resins

✓



Which of the following is stretched into fibers ?


aSaturated polyester

✓


bUnsaturated polyester

✖


cIsoprene

✖


dBakelite

✖


View Answer Saturated polyester

Terylene is_________________?


aSame as Dacron

✖


bA polyester

✖


cBoth A. & B.

✓


dNeither A. nor B.

✖


View Answer Both A. & B.

Which of the following is the lowest cost plastic commercially available ?


aPolythene

✓


bTeflon

✖


cBakelite

✖


dPVC

✖


View Answer Polythene

Bakelite (phenol-formaldehyde) resin cannot be used as________________?


aDecorative paint

✓


bDecorative laminates

✖


cElectrical insulation

✖


dGlass reinforced plastics

✖


View Answer Decorative paint

Polycaprolactam is____________________?


aNylon-6

✓


bNylon-66

✖


cDacron

✖


dRayon

✖


View Answer Nylon-6

Branched chain polymers compared to linear polymers have higher ____________________?


aDensity

✖


bTensile strength

✖


cMelting point

✖


dDegree of irregularity in atomic packing

✓



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