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 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 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 Basic Chemical 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 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 Fuels and Combustion. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

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Fuels and Combustion MCQs | Page 24 of 50

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Q231.
Preheating of coal charge for the coke ovens reduces the

a.

time of carbonisation.

b.

yield of gas and tar.

c.

fuel consumption in coking.

d.

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

Discuss
Answer: (d).all (a), (b) and (c).
Q232.
Which of the following coke has the least percentage of ash ?

a.

Petroleum coke

b.

Beehive coke

c.

Foundary coke

d.

Metallurgical coke

Discuss
Answer: (a).Petroleum coke
Q233.
Soft coke is not

a.

produced by low temperature carbonisation of coal.

b.

a domestic fuel.

c.

used in blast furnaces.

d.

none of these.

Discuss
Answer: (c).used in blast furnaces.
Q234.
Mineral matter, 'M' and ash percentage 'A' in coal are roughly related as

a.

M = 1.8 A

b.

M = 0.5 A

c.

M = 1.1 A

d.

M = A

Discuss
Answer: (c).M = 1.1 A
Q235.
Blast furnace gas constitutes mainly of

a.

N₂ & CH₄

b.

N₂ & H₂

c.

N₂ & CO

d.

CH₄ & CO₂

Discuss
Answer: (c).N₂ & CO
Q236.
A good coking coal should have high __________ content.

a.

ash

b.

sulphur & phosphorus

c.

moisture

d.

none of these

Discuss
Answer: (d).none of these
Q237.
Which of the following is not a binder for coal briquetting ?

a.

Coal tar

b.

Bitumen

c.

Molasses

d.

None of these

Discuss
Answer: (d).None of these
Q238.
The liquid used for the washing of coal in an industrial coal washery is a mixture of water and

a.

carbon tetrachloride.

b.

sand (40%).

c.

mineral oil of high viscosity & specific gravity (1.6)

d.

none of these.

Discuss
Answer: (b).sand (40%).
Q239.
Spontaneous combustion of coal on storage results due to

a.

inadequate ventilation.

b.

low temperature oxidation.

c.

storage in large heaps with small surface to volume ratio.

d.

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

Discuss
Answer: (d).all (a), (b)and (c).
Q240.
High temperature carbonisation of coal produces

a.

inferior coke compared to low temperature carbonisation.

b.

less of gases compared to liquid products.

c.

large quantity of tar compared to low temperature carbonisation.

d.

none of these.

Discuss
Answer: (d).none of these.
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