Polymer Technolgy MCQs

Question 1

Polymethyl methacrylate (PMMA) which is also known as perspex and is produced by bulk polymerisation of methyl methacrylate is not a __________ polymer.

Accepted Answer

Thermosetting

Answer

Thermoplastic

Answer

Linear

Answer

Glass like transparent

Question 2

The monomer of natural rubber is

Accepted Answer

Both B and C

Answer

DMT

Answer

Isoprene

Answer

2 methyl-1-propene

Question 3

Caprolactum, a raw material for the manufacture of nylon-6, is produced from

Accepted Answer

Benzene

Answer

Phenol

Answer

Naphthalene

Answer

Pyridine

Question 4

Out of all the elastomers, natural rubber has the longest elongation range & flexibility of the order of __________ percent.

Accepted Answer

1-1000

Answer

1000-1500

Answer

1500-2000

Answer

2000-2500

Question 5

Polyesters are manufactured by the polycondensation reaction of

Accepted Answer

Dibasic acid with dihydric alcohol

Answer

A single monomer

Answer

Carboxylic acid with ethylene

Answer

Inorganic acid with ethylene glycol

Question 6

Which of the following has the weakest intermolecular forces?

Accepted Answer

Polyisoprene

Answer

Nylon-66

Answer

Polystyrene

Answer

Bakelite

Question 7

Silicone resins, which are highly water repellant and has good heat resistance can not be used

Accepted Answer

As room temperature adhesive

Answer

As grease & lubricant

Answer

Hydraulic fluid for heat transfer

Answer

Resin for lamination

Question 8

Ebonite is a/an

Accepted Answer

Highly vulcanised rubber

Answer

Natural rubber

Answer

Unvulcanised raw rubber

Answer

Adhesive

Question 9

Identify the group in which all the polymers mentioned can be used to make fibres.

Accepted Answer

Cellulose derivatives, Polyisoprene, Polyethylene

Answer

Butadiene copolymers, Polyamides, Urea aldehyde

Answer

Cellulose derivatives, Polyamides, Polyurathane

Answer

Polypropylene, Poly vinyl chloride, Silicon