Polymer Technolgy MCQs

Question 1

__________ of SBR is adversely affected, if more quantity of styrene is added to butadiene during its co-polymerisation to produce SBR.

Accepted Answer

Resilience

Answer

Percent elongation

Answer

Freezing point

Answer

Strength

Question 2

Polymers are

Accepted Answer

Macromolecules

Answer

Micromolecules

Answer

Sub-micromolecules

Answer

None of these

Question 3

Polythene is a/an

Accepted Answer

Addition polymerisation product

Answer

Condensation polymerisation product

Answer

Thermosetting material

Answer

None of these

Question 4

Polyvinyl alcohol is used as a

Accepted Answer

Water soluble adhesive

Answer

Cation/anion exchanger

Answer

Textile fibre

Answer

Non-sticky coating on frying pans

Question 5

Polyvinyl chloride (PVC)

Accepted Answer

Uses either emulsion or suspension polymerisation methods

Answer

Is produced by polycondensation reaction

Answer

Can be made thermosetting by adding a plasticiser

Answer

Softening temperature is 200°C

Question 6

Glyptal used in the manufacture of paints & lacquers is a __________ polymer.

Accepted Answer

Polyester

Answer

Polyamide

Answer

Polystyrene

Answer

Polyacrylonitrile

Question 7

Nylon 6, 10 which is used for bristles making is superior to nylon 6, 6 due to its lower water absorption capacity, is a/an

Accepted Answer

Polyamide

Answer

Polyester

Answer

Polyisoprene

Answer

Polystyrene

Question 8

__________ polymer is used for making unbreakable crockery.

Accepted Answer

Melamine

Answer

Thermoplastic

Answer

Addition

Answer

None of these

Question 9

Poly Vinyl chloride (PVC) is a __________ material.

Accepted Answer

Thermoplastic

Answer

Thermosetting

Answer

Fibrous

Answer

Chemically active