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.
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.
Q162.
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
Q163.
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
Q164.
Kopper-Totzek coal gasifier

a.

can give ammonia synthesis gas (H₂ + N₂).

b.

is a moving bed reactor.

c.

cannot use coking coal.

d.

operate at very high pressure.

Discuss
Answer: (a).can give ammonia synthesis gas (H₂ + N₂).
Q165.
In case of pulverised coal fired steam boiler, the secondary air serves the main purpose of

a.

transportation of coal.

b.

drying of coal.

c.

combustion of coal by supplying it around the burner.

d.

preheating the primary air.

Discuss
Answer: (c).combustion of coal by supplying it around the burner.
Q166.
Largest constituent of coke oven gas is

a.

N₂

b.

H₂

c.

CH₄

d.

CO₂

Discuss
Answer: (b).H₂
Q167.
Fussain

a.

is friable, charcoal like substance.

b.

has highest fixed carbon and lowest volatile matter content of all the four banded components of coal.

c.

is non-coking, but when blended with highly coking coal, controls its swelling and produces high strength coke on carbonisation.

d.

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

Discuss
Answer: (d).all (a), (b) and (c).
Q168.
Producer gas comprises mainly of

a.

CO & N₂

b.

CO & H₂

c.

CO₂ & N₂

d.

CO₂ & H₂

Discuss
Answer: (a).CO & N₂
Q169.
In high temperature carbonisation (as compared to low temperature carbonisation) of coal, the

a.

gas yield is less.

b.

tar yield is more.

c.

ignition temperature of coke produced is less.

d.

aromatic content of tar produced is more.

Discuss
Answer: (d).aromatic content of tar produced is more.
Q170.
Which of the following fuels is generally not used in thermal power plant boiler firing?

a.

Furnace oil, light diesel oil and tar/PCM.

b.

Pulverised coking coal.

c.

Coal middling from washeries.

d.

B.F. gas, coke oven gas and L.D. converter gas.

Discuss
Answer: (b).Pulverised coking coal.
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