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 20 of 52

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Q191.
Silicon carbide refractories are used in the

a.

muffle furnace

b.

zinc smelting furnace

c.

ceramic recuperators

d.

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

Discuss
Answer: (d).all (a), (b) and (c)
Q192.
Maximum water percentage in refractory mix meant for hand moulding may be as high as __________ percent.

a.

2-3

b.

5-7

c.

7-12

d.

14-20

Discuss
Answer: (d).14-20
Q193.
Fireclay bricks are never used in the

a.

beehive oven

b.

coke oven walls

c.

zinc roaster

d.

lead blast furnace

Discuss
Answer: (b).coke oven walls
Q194.
With increasing alumina content, the fusion point of high alumina refractories

a.

increases.

b.

decreases.

c.

remains constant.

d.

may increase or decrease ; depends on its alumina content.

Discuss
Answer: (a).increases.
Q195.
Chrome magnesite bricks are used in the

a.

side walls of soaking pits and arc furnaces.

b.

copper melting furnaces & converters.

c.

burner block of glass tanks.

d.

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

Discuss
Answer: (d).all (a), (b) and (c)
Q196.
Machine moulding of dry mixture of refractories requires a pressure of the order of __________ kg/cm².

a.

10

b.

100

c.

500

d.

1000

Discuss
Answer: (d).1000
Q197.
Which of the following consumes the maximum tonnage of refractories annually in an integrated steel plant ?

a.

Soaking pits

b.

Ceheating furnace

c.

L.D. converter

d.

Rotary lime kiln

Discuss
Answer: (c).L.D. converter
Q198.
__________ nozzles are used in continuous casting of steel.

a.

Zircon

b.

Thoria

c.

Carborundum

d.

Beryllia

Discuss
Answer: (a).Zircon
Q199.
Silicon carbide refractories have very low

a.

refractoriness (< 1700°C).

b.

thermal conductivity.

c.

resistance to thermal shock.

d.

none of these.

Discuss
Answer: (d).none of these.
Q200.
Basic bricks are not made of

a.

fireclay

b.

magnesite

c.

foresterite

d.

chromite

Discuss
Answer: (a).fireclay
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