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 15 of 50

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Q141.
Low temperature oxidation and spontaneous combustion of freshly mined coal is accentuated, if

a.

it contains large amount of volatile matter.

b.

it is stored in tall heaps.

c.

smaller fines are stored in large quantity.

d.

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

Discuss
Answer: (d).all (a), (b) and (c).
Q142.
Coking time in narrow by-product coke ovens is around __________ hours.

a.

18

b.

48

c.

8

d.

80

Discuss
Answer: (a).18
Q143.
Blast furnace gas is a very poisonous gas because of its predominantly high __________ content.

a.

H₂O

b.

CO₂

c.

CO

d.

CH₄

Discuss
Answer: (c).CO
Q144.
Which of the following is a lean fuel gas ?

a.

Coke oven gas

b.

LPG

c.

Blast furnace gas

d.

Natural gas

Discuss
Answer: (c).Blast furnace gas
Q145.
Gray-King Assay and Roga Index of coal is a measure of its

a.

abradability.

b.

grindability.

c.

weathering properties.

d.

caking and swelling properties.

Discuss
Answer: (d).caking and swelling properties.
Q146.
While the first commercial low temperature coal carbonisation plant is located at Neyveli (in Chennai), the second such plant has been built at

a.

Dankuni (West Bengal)

b.

Dhanbad

c.

Singreni (AP.)

d.

Raniganj

Discuss
Answer: (a).Dankuni (West Bengal)
Q147.
Low temperature oxidation of coal resulting from bad storage conditions does not decrease its

a.

caking power

b.

calorific value

c.

hydrogen content

d.

oxygen content

Discuss
Answer: (d).oxygen content
Q148.
Main use of soft coke is as __________ fuel.

a.

domestic

b.

blastfurnace

c.

foundary

d.

none of these

Discuss
Answer: (a).domestic
Q149.
Desirable "Micum Index" values of metal-lurical coke are

a.

M₄₀ > 78% and M₁₀ < 10%.

b.

M₄₀ > 4% and M₁₀ < 80%.

c.

M₄₀ > 10% and M₁₀ < 78%.

d.

M₄₀ > 98% and M₁₀ < 2%.

Discuss
Answer: (a).M₄₀ > 78% and M₁₀ < 10%.
Q150.
Volatile matter content of metallurgical coke may be around __________ percent.

a.

1-2

b.

10-15

c.

22-26

d.

30-33

Discuss
Answer: (a).1-2
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