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


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


bHigher tensile strength


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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