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!

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 35 of 50

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Q341.
Lignite is

a.

a high rank coal.

b.

a coking coal.

c.

can be used for gasification and steam generation.

d.

a black banded coal which burns with a non-smoky yellowish flame.

Discuss
Answer: (c).can be used for gasification and steam generation.
Q342.
Shatter index of metallurgical coke on 2 inches and 0.5 inch screen should be respectively around __________ percent.

a.

80 and 97

b.

95 and 100

c.

40 and 70

d.

25 and 97

Discuss
Answer: (a).80 and 97
Q343.
Naphthalene recovered from coke oven gas is used

a.

as moisture proof coating on fibres.

b.

as moth balls (insecticides).

c.

as a fuel in furnaces.

d.

for making electrodes.

Discuss
Answer: (b).as moth balls (insecticides).
Q344.
Method of maintaining fires in furnace during standby periods without undue consumption of fuel is called

a.

back draughting.

b.

banking.

c.

under pressurising.

d.

none of these.

Discuss
Answer: (b).banking.
Q345.
Which of the following is not applicable to fluidised bed combustion of coal ?

a.

It can not burn low grade coal.

b.

It achieves higher fuel combustion efficiency.

c.

Less heat transfer surface area is required in boilers.

d.

None of these.

Discuss
Answer: (a).It can not burn low grade coal.
Q346.
Coal containing large quantity of __________ are difficult to wash.

a.

ash

b.

inherent mineral matter

c.

free impurities

d.

volatile matter

Discuss
Answer: (b).inherent mineral matter
Q347.
Which of the following is not a micro component present in coal ?

a.

Micrinite

b.

Clarain

c.

Fusinite

d.

Liptinite

Discuss
Answer: (b).Clarain
Q348.
Calorific values of both the solid as well as the liquid fuels can be determined by __________ calorimeter.

a.

bomb

b.

Boy's

c.

Junkar's

d.

none of these

Discuss
Answer: (a).bomb
Q349.
A coal containing high amount of volatile matter will have

a.

low ignition temperature

b.

very little ash content

c.

high fusion point of its ash

d.

low adiabatic flame temperature

Discuss
Answer: (a).low ignition temperature
Q350.
The maximum adiabatic flame temperature in air is __________ the maximum flame temperature in pure oxygen.

a.

lower than

b.

higher than

c.

same as

d.

not related to

Discuss
Answer: (a).lower than
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