Fuels and Combustion MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Fuels and Combustion, a fundamental topic in the field of Power Plant Engineering. Whether you're preparing for competitive exams, honing your problem-solving skills, or simply looking to enhance your abilities in this field, our Fuels and Combustion 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 Fuels and Combustion mcq questions that explore various aspects of Fuels and Combustion problems. Each MCQ is crafted to challenge your understanding of Fuels and Combustion principles, enabling you to refine your problem-solving techniques. Whether you're a student aiming to ace Power Plant Engineering tests, a job seeker preparing for interviews, or someone simply interested in sharpening their skills, our Fuels and Combustion MCQs are your pathway to success in mastering this essential Power Plant Engineering topic.

Note: Each of the following question comes with multiple answer choices. Select the most appropriate option and test your understanding of Fuels and Combustion. 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 Fuels and Combustion knowledge to the test? Let's get started with our carefully curated MCQs!

Fuels and Combustion MCQs | Page 37 of 50

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Q361.
Calorific value of of blast furnace gas is around __________ KCal/Nm³.

a.

850

b.

1800

c.

4200

d.

6500

Discuss
Answer: (a).850
Q362.
In low temperature carbonisation of coal as compared to high temperature carbonisation __________ produced is less.

a.

difference in gross & net calorific value of the coke oven gas

b.

free carbon content in tar

c.

yield percentage of coke

d.

yield of ammonia present in coke oven gas

Discuss
Answer: (a).difference in gross & net calorific value of the coke oven gas
Q363.
Coal tar (produced by high temperature carbonisation) is the main source of

a.

aromatic compounds

b.

alphatic compounds

c.

paraffins

d.

olefins

Discuss
Answer: (a).aromatic compounds
Q364.
The calorific value is the highest out of the following for

a.

producer gas

b.

water gas

c.

coke oven gas

d.

blast furnace gas

Discuss
Answer: (c).coke oven gas
Q365.
Coke compared to the coal from which it has been made, contains

a.

less volatile matter.

b.

more carbon.

c.

greater percentage of ash.

d.

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

Discuss
Answer: (d).all (a), (b) and (c).
Q366.
A gaseous fuel in order to develop luminousity on burning, must contain

a.

carbon monoxide

b.

hydrocarbons

c.

hydrogen

d.

oxygen

Discuss
Answer: (b).hydrocarbons
Q367.
Nitrogen present in the flue gas is determined in the orsat apparatus by absorbing it in

a.

KOH

b.

ammoniacal cuprous chloride

c.

pyrogallol solution

d.

none of these

Discuss
Answer: (d).none of these
Q368.
The lowest temperature, at which a solid fuel produces enough vapors to support continuous combustion, is called

a.

fire point

b.

smoke point

c.

burning temperature

d.

kindling temperature

Discuss
Answer: (c).burning temperature
Q369.
A coal having high volatile matter content will

a.

give less yield of tar and gas on carbonisation.

b.

burn with a small non-smoky flame.

c.

have a very high calorific value.

d.

none of these.

Discuss
Answer: (d).none of these.
Q370.
During coking of coal, the ash content (percentage)

a.

increases

b.

decreases

c.

remains constant

d.

None of the above

Discuss
Answer: (a).increases
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