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 29 of 50

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Q281.
A coal with high ash content

a.

has higher calorific value.

b.

is harder and stronger.

c.

is not subjected to washing.

d.

has low quantity of mineral matter.

Discuss
Answer: (b).is harder and stronger.
Q282.
The shift conversion reaction taking place during water gas manufacture is given by

a.

C + H₂O ↔ CO + H₂

b.

C + 2H₂O ↔ CO₂ + 2H₂

c.

CO + H₂O ↔ CO₂ + H₂

d.

none of these

Discuss
Answer: (c).CO + H₂O ↔ CO₂ + H₂
Q283.
Which of the following is unsuitable fuel for producer gas manufacture ?

a.

Coke.

b.

Anthracite.

c.

Coal having low fusion point of its ash.

d.

Coal having high fusion point of its ash.

Discuss
Answer: (c).Coal having low fusion point of its ash.
Q284.
A good metallurgical coke

a.

should have high porosity.

b.

should be brittle.

c.

must contain moderate quantities of ash, moisture, sulphur and volatile matters.

d.

should have low fusion point of its ash.

Discuss
Answer: (a).should have high porosity.
Q285.
The main advantage of forced draft over natural draft is that

a.

combustion of fuel is complete.

b.

smaller height chimney can be used.

c.

furnace control is easier.

d.

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

Discuss
Answer: (d).all (a), (b) & (c).
Q286.
Benzene is used

a.

as a motor fuel.

b.

as an explosive.

c.

for making insecticides (e.g., DDT, BHC etc.), detergent & rubber (SBR).

d.

as a perfume.

Discuss
Answer: (c).for making insecticides (e.g., DDT, BHC etc.), detergent & rubber (SBR).
Q287.
Fischer-Tropsch method aims at the

a.

gasification of coal.

b.

synthesis of gasoline (from water gas).

c.

hydrogenation of coal to produce gasoline.

d.

none of these.

Discuss
Answer: (b).synthesis of gasoline (from water gas).
Q288.
To avoid fire by spontaneous combustion of coal due to its low temperature oxidation, it should be stored in

a.

shallow and small piles.

b.

fine sizes without the presence of any lump.

c.

closed space without any ventilation facility.

d.

large heaps with small surface to volume ratio.

Discuss
Answer: (a).shallow and small piles.
Q289.
Artificial draught produced by a fan can be controlled by the

a.

speed of the fan.

b.

damper.

c.

variation in the pitch of the fan blades.

d.

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

Discuss
Answer: (d).all (a), (b) and (c).
Q290.
Water gas constitutes mainly of

a.

CO & H₂

b.

CO & N₂

c.

CO₂ & H₂

d.

CH₄ & H₂

Discuss
Answer: (a).CO & H₂
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