Yield of coke oven gas in low temperature carbonisation of coal is about ______________ Nm3 /ton of dry coal?

Question: Bomb calorimeter can be used to determine the __________ of the coal.
[A].

sulphur content

[B].

calorific value

[C].

both(a) & (b)

[D].

neither (a) nor (b)

Answer: Option C

Explanation:

No answer description available for this question.

Question: Coal containing large quantity of __________ are difficult to wash.
[A].

ash

[B].

inherent mineral matter

[C].

free impurities

[D].

volatile matter

Answer: Option B

Explanation:

No answer description available for this question.

Question: A coal with high ash content
[A].

has higher calorific value.

[B].

is harder and stronger.

[C].

is not subjected to washing.

[D].

has low quantity of mineral matter.

Answer: Option B

Explanation:

No answer description available for this question.

Question: Coke oven gas produced by high temperature carbonisation of coal (as compared to that produced by low temperature carbonisation), has
[A].

higher calorific value.

[B].

lower hydrogen content.

[C].

both (a) and (b).

[D].

neither (a) nor (b).

Answer: Option D

Explanation:

No answer description available for this question.