Refractory and Polymer Technology MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Refractory and Polymer Technology, a fundamental topic in the field of Basic Chemical Engineering. Whether you're preparing for competitive exams, honing your problem-solving skills, or simply looking to enhance your abilities in this field, our Refractory and Polymer Technology MCQs are designed to help you grasp the core concepts and excel in solving problems.

In this section, you'll find a wide range of Refractory and Polymer Technology mcq questions that explore various aspects of Refractory and Polymer Technology problems. Each MCQ is crafted to challenge your understanding of Refractory and Polymer Technology principles, enabling you to refine your problem-solving techniques. Whether you're a student aiming to ace Basic Chemical Engineering tests, a job seeker preparing for interviews, or someone simply interested in sharpening their skills, our Refractory and Polymer Technology MCQs are your pathway to success in mastering this essential Basic Chemical Engineering topic.

Note: Each of the following question comes with multiple answer choices. Select the most appropriate option and test your understanding of Refractory and Polymer Technology. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

So, are you ready to put your Refractory and Polymer Technology knowledge to the test? Let's get started with our carefully curated MCQs!

Refractory and Polymer Technology MCQs | Page 35 of 52

Discover more Topics under Basic Chemical Engineering

Q341.
Synthetic rubber

a.

deforms, if stretched to double of its original dimension.

b.

is brittle at low temperature

c.

is softer at higher temperature.

d.

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

Discuss
Answer: (d).is highly permeable to air & water and is readily attacked by chemicals & atmospheric gases.
Q342.
Melamine formaldehyde resin which has a very high anti tacking properties, is not used for the

a.

electrical insulation purpose.

b.

tanning of leather.

c.

strengthening of plaster of paris.

d.

decorative laminates.

Discuss
Answer: (c).strengthening of plaster of paris.
Q343.
In a co-polymer, the repeating units contain two different monomers. Which of the following is a copolymer ?

a.

PTFE

b.

Buna-S

c.

PMMA

d.

Polycaprolactum

Discuss
Answer: (b).Buna-S
Q344.
Cation exchange resins used in water treatment is made from __________ resin.

a.

urea formaldehyde

b.

epoxy

c.

amino

d.

phenolic

Discuss
Answer: (a).urea formaldehyde
Q345.
Size range of polymer molecules varies from __________ metre.

a.

10⁻² to 10⁻⁵

b.

10⁻⁴ to 10⁻⁷

c.

10⁻¹ to 10⁻²

d.

10⁻⁸ to 10⁻¹⁰

Discuss
Answer: (a).10⁻² to 10⁻⁵
Q346.
Cellulose content in bomboo fibre is about __________ percent.

a.

10

b.

20

c.

50

d.

85

Discuss
Answer: (c).50
Q347.
In step growth polymerisation, generally only one type of reaction & some basic mechanism is involved. Step growth polymerisation reaction is not involved in the manufacture of

a.

cross linked polystyrene.

b.

phenol formaldehyde resins.

c.

polyesters.

d.

polyamides.

Discuss
Answer: (a).cross linked polystyrene.
Q348.
Which of the following has the weakest intermolecular forces ?

a.

Polyisoprene

b.

Nylon-66

c.

Polystyrene

d.

Bakelite

Discuss
Answer: (a).Polyisoprene
Q349.
Properties of a polymer is affected by the

a.

chain length.

b.

intermolecular forces.

c.

branching & cross-linking.

d.

all (a), (b) and (c)

Discuss
Answer: (d).all (a), (b) and (c)
Q350.
In condensation polymerisation as compared to addition polymerisation

a.

the monomers are unsaturated compounds.

b.

no co-product is lost.

c.

the monomers contain two functional groups.

d.

generally only one monomer is involved

Discuss
Answer: (c).the monomers contain two functional groups.
Page 35 of 52