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 17 of 50

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Q161.
By-products recovery process from coal carbonisation is termed as direct, indirect and semi direct process depending upon the method of recovery of

a.

tar

b.

benzol

c.

ammonia

d.

none of these

Discuss
Answer: (c).ammonia
Q162.
Naphthalene is removed from coke oven gas by

a.

scrubbing with wash oil (a petroleum product).

b.

adsorbing on bog iron bed.

c.

absorbing in vetro-coke solution.

d.

none of these.

Discuss
Answer: (a).scrubbing with wash oil (a petroleum product).
Q163.
Coke oven gas compared to blast furnace gas is

a.

more explosive and inflammable.

b.

less poisonous.

c.

lighter.

d.

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

Discuss
Answer: (d).all (a), (b) and (c).
Q164.
Hardgrove grindability index of four coal samples are given below. Which of them is the easiest to grind ?

a.

50

b.

70

c.

85

d.

100

Discuss
Answer: (d).100
Q165.
Which is the heaviest fuel gas out of the following ?

a.

Blast furnace gas

b.

Coke oven gas

c.

Water gas

d.

Carburetted water gas

Discuss
Answer: (a).Blast furnace gas
Q166.
Calorific value of tar is about __________ Kcal/kg.

a.

8800

b.

12000

c.

5000

d.

16000

Discuss
Answer: (a).8800
Q167.
Efficiency of the combustion of a fuel is judged by the __________ the flue gas.

a.

% of CO₂ in

b.

% of O₂ in

c.

temperature of

d.

colour of

Discuss
Answer: (b).% of O₂ in
Q168.
Bomb calorimeter is used to determine the (where, GCV - Gross Calorific Value. NCV - Net Calorific Value.)

a.

GCV at constant pressure.

b.

GCV at constant volume.

c.

NCV at constant pressure.

d.

NCV at constant volume.

Discuss
Answer: (b).GCV at constant volume.
Q169.
Which of the following oil gasification processes is non-catalytic ?

a.

Semet-Solvay process

b.

Segas process

c.

Onia-Gegi process

d.

Steam reforming of naphtha

Discuss
Answer: (a).Semet-Solvay process
Q170.
Dust content in raw blast furnace gas is about __________ gm/Nm³ , hence it is cleaned to the dust level of about < 10 mg /Nm³ before use.

a.

15-30

b.

1-2

c.

70-100

d.

150-200

Discuss
Answer: (a).15-30
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