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 21 of 50

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Q201.
Which of the following is a poisonous fuel gas?

a.

Coke oven gas

b.

Blast furnace gas

c.

Natural gas

d.

None of these

Discuss
Answer: (b).Blast furnace gas
Q202.
In low temperature carbonisation (as compared to high temperature carbonisation) of coal

a.

ammonia yield is more.

b.

aliphatic tar is produced.

c.

free carbon in tar is more.

d.

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

Discuss
Answer: (b).aliphatic tar is produced.
Q203.
Washing of coal does not reduce its

a.

S & P content.

b.

heating value.

c.

fusion point of ash.

d.

none of these.

Discuss
Answer: (d).none of these.
Q204.
Coke having higher porosity has

a.

lower bulk density.

b.

lower strength.

c.

higher reactivity.

d.

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

Discuss
Answer: (d).all (a), (b) and (c).
Q205.
Calorific value of coke oven gas is around __________ Kcal/Nm³.

a.

900

b.

4200

c.

7500

d.

2000

Discuss
Answer: (b).4200
Q206.
Highly caking coals

a.

produce weak coke.

b.

produce strong coke.

c.

may damage the coke oven walls during carbonisation.

d.

both (b) and (c).

Discuss
Answer: (d).both (b) and (c).
Q207.
Main use of hard coke produced by high temperature carbonisation is in the

a.

iron blast furnace

b.

cupola in foundaries

c.

sinter making

d.

domestic ovens

Discuss
Answer: (a).iron blast furnace
Q208.
Hard pitch is used for making

a.

pulverised fuel

b.

perfumes

c.

insecticides

d.

plastics

Discuss
Answer: (a).pulverised fuel
Q209.
Supply of excess air for complete combustion of fuel is necessitated to facilitate

a.

its thorough mixing with air.

b.

attainment of chemical equilibrium.

c.

attainment of high temperature.

d.

none of these.

Discuss
Answer: (a).its thorough mixing with air.
Q210.
A coal gasifier opearating at 20 atm. (e.g. Lugri gasifier) as compared to one operating at atmospheric pressure (e.g. Kopper-Totzek or Winkler gasifier) will produce a gas having

a.

higher methane content and thus higher calorific value.

b.

higher carbon monoxide content.

c.

lower carbon dioxide content.

d.

none of these.

Discuss
Answer: (a).higher methane content and thus higher calorific value.
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