POLYMER TECHNOLOGY QUIZ

Polyurathane can not be used to make

Coating and adhesive

Automobile cushion

Thermal insulation in refrigerator

Fibre reinforced plastic (FRP)

TRUE ANSWER : ?
YOUR ANSWER : ?

Flexible foam (for mattresses) are usually made of

Polyurethanes

Polyamides

Silicone rubber

PVC

TRUE ANSWER : ?
YOUR ANSWER : ?

Molecular weights of plastics ranges from

1000 to 5000

20000 to 25000

5000 to 1000

10⁹ to l0¹¹

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following is not a polymer of two monomers?

None of these

SBR

Bakelite

Teflon

TRUE ANSWER : ?
YOUR ANSWER : ?

Terylene is a/an

None of these

Homopolymer

Poly amide

Addition polymer

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following polymers are produced by employing all bulk polymerisation, solution polymerisation & suspension polymerisation technique of addition (chain) polymerisation?

Epoxy resin

Bakelite

PVC

PTFE

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following is not a natural polymer?

Nucleic acids e.g. RNA and DNA

Polyurethane

Polyisoprene

Polysaccharides

TRUE ANSWER : ?
YOUR ANSWER : ?

Epoxy resins (i.e., epoxide polymers)

Use emulsion polymerisation methods

Contain an epoxy group ( ##### ) at the ends of the polymer

Are made by addition polymerisation reaction only

Are cross-linked polymers only

TRUE ANSWER : ?
YOUR ANSWER : ?

Polymethyl methacrylate, which is an acrylic resin, is also called

Dacron

Plexiglass or lucite

Thiokol

Teflon

TRUE ANSWER : ?
YOUR ANSWER : ?

Polyvinyl chloride (PVC)

Uses either emulsion or suspension polymerisation methods

Is produced by polycondensation reaction

Can be made thermosetting by adding a plasticiser

Softening temperature is 200°C

TRUE ANSWER : ?
YOUR ANSWER : ?

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