High pressure coal gasification is employed in ________________ process?

Question: In high temperature carbonisation of coal compared to low temperature carbonisation
[A].

yield of ammonia is less.

[B].

aromatic content of tar is low.

[C].

H2 content in the coke oven gas is more.

[D].

calorific value of the coke oven gas is lower.

Answer: Option C

Explanation:

No answer description available for this question.

Question: Ash content in the coke produced from a coking coal having 20% ash may be around __________ percent.
[A].

6

[B].

12

[C].

18

[D].

24

Answer: Option D

Explanation:

No answer description available for this question.

Question: 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.

Answer: Option B

Explanation:

No answer description available for this question.

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.