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A coal having high volatile matter content will

August 17, 2022 by admin

Question: A coal having high volatile matter content will
[A].

give less yield of tar and gas on carbonisation.

[B].

burn with a small non-smoky flame.

[C].

have a very high calorific value.

[D].

none of these.

Answer: Option D

Explanation:

No answer description available for this question.

A good coking coal should have high __________ content.

August 17, 2022 by admin

Question: A good coking coal should have high __________ content.
[A].

ash

[B].

sulphur & phosphorus

[C].

moisture

[D].

none of these

Answer: Option D

Explanation:

No answer description available for this question.

Fuel consumption in coke making can be reduced by

August 17, 2022 by admin

Question: Fuel consumption in coke making can be reduced by
[A].

preheating, blending and de-ashing the coal.

[B].

stamped charging of coal.

[C].

dry quenching of coke.

[D].

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

Answer: Option D

Explanation:

No answer description available for this question.

Narrow coke ovens as compared to wider coke ovens

August 17, 2022 by admin

Question: Narrow coke ovens as compared to wider coke ovens
[A].

produce smaller coke.

[B].

produce stronger coke.

[C].

require less time of carbonisation.

[D].

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

Answer: Option D

Explanation:

No answer description available for this question.

Coke having higher porosity has

August 17, 2022 by admin

Question: Coke having higher porosity has
[A].

lower bulk density.

[B].

lower strength.

[C].

higher reactivity.

[D].

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

Answer: Option D

Explanation:

No answer description available for this question.

Which will have the least volatile matter and hence will be the most difficult to ignite?

August 17, 2022 by admin

Question: Which will have the least volatile matter and hence will be the most difficult to ignite?
[A].

Bituminous coal

[B].

Coke

[C].

Semi-bituminous coal

[D].

Aanthracite

Answer: Option B

Explanation:

No answer description available for this question.

While the ladies continued their small talk in the drawing room, I felt bored.

August 17, 2022 by admin

Question: While the ladies continued their small talk in the drawing room, I felt bored.
[A].

whispering

[B].

backbiting

[C].

gossip

[D].

light conversation

Answer: Option D

Explanation:

No answer description available for this question.

With increase in moisture content of coal, its

August 17, 2022 by admin

Question: With increase in moisture content of coal, its
[A].

calorific value increases.

[B].

caking properties diminish.

[C].

swelling during carbonisation becomes excessive.

[D].

none of these.

Answer: Option B

Explanation:

No answer description available for this question.

In the given figure if Triangle represents healthy people, Square represents old persons and Circle represents men then What is the number of those men who are healthy but not old ?

August 17, 2022 by admin

Question: In the given figure if Triangle represents healthy people, Square represents old persons and Circle represents men then What is the number of those men who are healthy but not old ?
[A].

[B].

[C].

[D].

Answer: Option D

Explanation:

No answer description available for this question.

Width of the coke oven towards coke side is slightly more than that on pusher side to

August 17, 2022 by admin

Question: Width of the coke oven towards coke side is slightly more than that on pusher side to
[A].

facilitate easy discharging of coke as it swells during carbonisation.

[B].

facilitate uniform heating of the oven.

[C].

increase the output of the coke.

[D].

none of these.

Answer: Option A

Explanation:

No answer description available for this question.