Furnace Technology MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Furnace 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 Furnace 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 Furnace Technology mcq questions that explore various aspects of Furnace Technology problems. Each MCQ is crafted to challenge your understanding of Furnace 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 Furnace 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 Furnace 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 Furnace Technology knowledge to the test? Let's get started with our carefully curated MCQs!

Furnace Technology MCQs | Page 8 of 16

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Q71.
Which of the following accentuates clinker-ing troubles on furnace grate burning coal?

a.

Low reactivity of carbonised residue containing high proportion of iron & sulphur.

b.

Low forced draft & fuel bed temperature.

c.

Thick firebed and preheated primary air.

d.

All (a), (b) and (c).

Discuss
Answer: (d).All (a), (b) and (c).
Q72.
The electric furnace in which heat is produced by a combination of induced current and skin effect is called __________ furnace.

a.

arc

b.

resistance

c.

low frequency induction

d.

high frequency induction

Discuss
Answer: (d).high frequency induction
Q73.
Ingress of cold air in the furnaces through cracks, charging doors, openings etc.

a.

reduces the flue gas temperature and makes the furnace atmosphere oxidising.

b.

increases the load on the induced draft fan.

c.

reduces the furnace draught.

d.

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

Discuss
Answer: (d).all (a), (b) and (c)
Q74.
Use of pulverised coal in boilers provides

a.

higher calorific value

b.

better combustion

c.

smokeless burning

d.

less erosion on furnace wall.

Discuss
Answer: (b).better combustion
Q75.
Regenerators are normally provided in the

a.

glass melting furnace.

b.

open hearth furnace.

c.

by product coke ovens.

d.

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

Discuss
Answer: (d).all (a), (b) and (c).
Q76.
Metallic recuperators are not used for waste heat recovery, if the hot flue gas temperature is above __________ °C, because corrosion prevails at higher temperatures.

a.

350

b.

750

c.

1050

d.

1250

Discuss
Answer: (b).750
Q77.
Furnace pressure is normally controlled by regulating the

a.

air pressure

b.

fuel gas pressure

c.

speed of I.D. fan

d.

damper

Discuss
Answer: (d).damper
Q78.
An example of indirectly heated furnace is the

a.

soaking pit

b.

muffle furnace

c.

reheating furnace

d.

none of these

Discuss
Answer: (b).muffle furnace
Q79.
Specific heating capacity of a furnace is expressed as

a.

weight heated/hr

b.

weight heated/furnace volume

c.

weight heated/hr/furnace volume

d.

none of these

Discuss
Answer: (c).weight heated/hr/furnace volume
Q80.
Forced recirculation of furnace gases is practised

a.

to increase heat transfer by convection.

b.

to ensure uniform temperature.

c.

in furnaces, operating below 750°C.

d.

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

Discuss
Answer: (d).all (a), (b) and (c).
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