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 32 of 50

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Q311.
Caking index of a coal is a measure of its

a.

abradability

b.

reactivity

c.

agglutinating (binding) properties

d.

porosity

Discuss
Answer: (c).agglutinating (binding) properties
Q312.
Calorific value of furnace oil is about __________ Kcal/kg.

a.

10000

b.

15000

c.

5000

d.

20000

Discuss
Answer: (a).10000
Q313.
The main product of high temperature carbonisation of coal is

a.

coke

b.

ammonia

c.

tar

d.

coke oven gas

Discuss
Answer: (a).coke
Q314.
High temperature carbonisation of coal takes place at __________ °C.

a.

2000

b.

600

c.

1100

d.

1600

Discuss
Answer: (c).1100
Q315.
Removal of hydrogen from coke oven gas

a.

increases its calorific value.

b.

decreases its calorific value.

c.

does not alter its calorific value.

d.

is not possible on commerical scale.

Discuss
Answer: (a).increases its calorific value.
Q316.
If oxygen content in the flue gas rises too high, fuel is being wasted by

a.

incomplete combustion.

b.

dry gas/stack gas loss.

c.

moisture loss.

d.

none of these.

Discuss
Answer: (b).dry gas/stack gas loss.
Q317.
Increase in ash content of blast furnace coke

a.

reduces its consumption in the furnace.

b.

increases its consumption in the furnace.

c.

does not affect its consumption in the furnace.

d.

decreases its hardness and abrasion resistance.

Discuss
Answer: (b).increases its consumption in the furnace.
Q318.
Safe condition for storage of high V.M. bituminous coal is that

a.

height of the coal heap should be < 3 metres.

b.

maximum 200 tons should be stored in a heap.

c.

both (a) and (b).

d.

neither (a) nor (b).

Discuss
Answer: (c).both (a) and (b).
Q319.
Ignition temperature of a fuel in air is __________ that in pure oxygen.

a.

more than

b.

less than

c.

equal to

d.

either more or less; depends on the type of fuel

Discuss
Answer: (a).more than
Q320.
Coking time in a commercial high temperature coal carbonisation plant is about __________ hours.

a.

6

b.

18

c.

28

d.

36

Discuss
Answer: (b).18
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