With increase in moisture content of coal, its___________________?

Question: Hard pitch is used for making
[A].

pulverised fuel

[B].

perfumes

[C].

insecticides

[D].

plastics

Answer: Option A

Explanation:

No answer description available for this question.

Question: __________ of the coal is the basis for Seylor’s coal classification.
[A].

Proximate analysis

[B].

Ultimate analysis

[C].

Caking index

[D].

Calorific value

Answer: Option B

Explanation:

No answer description available for this question.

Question: Moisture loss is determined by the
[A].

humidity of combustion air.

[B].

moisture content of fuel.

[C].

both (a) and (b).

[D].

the water formed by combustion reaction.

Answer: Option C

Explanation:

No answer description available for this question.

Question: Fossil fuels mean
[A].

solid fuels

[B].

liquid fuels

[C].

those fuels which are found in the crust of earth.

[D].

premature fuels with low calorific value.

Answer: Option C

Explanation:

No answer description available for this question.

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.