Polymer Technology MCQs

for surface coating of automobiles & air crafts.

for fibre making.

as plasticiser for PVC & nitrocellulose.

for film forming materials.

Bakelite

Epoxy resin

Polythene

none of these

as room temperature adhesive.

as grease & lubricant.

hydraulic fluid for heat transfer.

resin for lamination.

low temperature thermal insulation as in refrigerator and air conditioners.

accoustic control and ceiling for building.

high temperature thermal insulation in furnaces.

packing of delicate electronic gadgets.

dacron

teflon

bakelite

celluloid

hexamethylene diamine and adipic acid.

adipic acid and methyl amine.

vinyl chloride and formaldeyde.

none of these.

Melamine resins

Teflon

Dacron

None of these

deforms, if stretched to double of its original dimension.

is brittle at low temperature

is softer at higher temperature.

is highly permeable to air & water and is readily attacked by chemicals & atmospheric gases.

thiokol

plexiglass or lucite

dacron

teflon

Teflon

Bakelite

SBR

None of these