Polymer Technolgy MCQs

Question 1

Polycondensation of saturated dicarboxylic acid with polyhydric alcohol produces

Accepted Answer

Alkyd resin

Answer

Epoxy resin

Answer

Polyamide

Answer

Phenolic resin

Question 2

Which of the following is a copolymer?

Accepted Answer

Bakelite

Answer

PVC

Answer

Polythene

Answer

Teflon

Question 3

Which of the following is a copolymer?

Accepted Answer

SBR

Answer

Polystyrene

Answer

P.T.F.E.

Answer

Polypropylene

Question 4

In a co-polymer, the repeating units contain two different monomers. Which of the following is a copolymer?

Accepted Answer

Buna-S

Answer

PTFE

Answer

PMMA

Answer

Polycaprolactum

Question 5

The main use of butadiene is

Accepted Answer

In the manufacture of synthetic rubber

Answer

As a plasticiser for unsaturated polyester

Answer

As an anti-skimming agent in paint

Answer

None of these

Question 6

Low pressure Zeigler process for the manufacture of polythene uses a catalyst which is

Accepted Answer

Aluminium triethyl combined with titanium tetrachloride

Answer

Ni

Answer

V 2 O 5

Answer

Fe

Question 7

Thermoplastic resins usually

Accepted Answer

Less brittle than thermosetting resins

Answer

Remain hard as long as they are hot

Answer

Can not be reclaimed from waste

Answer

Permanent setting resins

Question 8

Pick out the wrong statement.

Accepted Answer

Teflon is formed by step growth polymerisation

Answer

Addition polymers are generally formed by chain growth polymerisation

Answer

Condensation polymers are generally formed by step growth polymerisation

Answer

Bakelite is formed by step growth polymerisation

Question 9

Thermosplastic materials

Accepted Answer

None of these

Answer

Do not soften on application of heat

Answer

Are heavily branched molecules

Answer

Are solvent insoluble