Chemical Engineering MCQs

Page No. 338

Vinyl flooring is done using _____________ sheets?


aPolypropylene

✖


bPVC

✓


cPolythene

✖


dPolyvinyl acetate

✖


View Answer PVC

Which of the following polymers does not belong to the class of Polyacrylate polymer ?


aPMMA

✖


bPolyacrylonitrile

✖


cPoly Ethyl acrylate

✖


dNone of these

✓


View Answer None of these

Pick out the correct statement ?


aPlastics are good conductors of heat and electricity

✖


bAll the polymers are highly crystalline in nature

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cPolymers can be vaporised by heating to a very high temperature

✖


dThe liquid polymer becomes greasy, then waxy and finally solid on increasing the degree of polymerisation

✓



Viscose rayon is _______________?


aCellulose nitrate

✖


bRegenerated cellulose nitrate

✖


cRegenerated cellulose acetate

✖


dNone of these

✓


View Answer None of these

Branched chair polymers as compared to linear polymers have _________________?


aHigher melting point

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bHigher tensile strength

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cLower density

✓


dNone of these

✖


View Answer Lower density

Which of the following is a copolymer ?


aPVC

✖


bBakelite

✓


cPolythene

✖


dTeflon

✖


View Answer Bakelite

_____________ scrap can be recycled & reutilised?


aBakelite

✖


bEpoxy resin

✖


cPolythene

✓


dNone of these

✖


View Answer Polythene

Polyvinyl chloride (PVC) is __________________?


aA thermosetting material

✖


bA condensation polymerisation product

✖


cMade by employing emulsion polymerisation

✓


dNone of these

✖



Reaction of dimethyl terephthalate (DMT) and ethylene glycol produces________________?


aNylon-6

✖


bDacron

✓


cPolyester

✖


dPVC

✖


View Answer Dacron

Polycondensation of saturated dicarboxylic acid with polyhydric alcohol produces________________?


aEpoxy resin

✖


bPolyamide

✖


cAlkyd resin

✓


dPhenolic resin

✖


View Answer Alkyd resin

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