Flue gas discharge velocity through chimney of a big thermal power plant may be around ________________ m/sec?

Question: Percentage of hydrogen in coke oven gas may be around
[A].

10

[B].

25

[C].

45

[D].

60

Answer: Option D

Explanation:

No answer description available for this question.

Question: Coal is heated in presence of air to a temperature of about __________ °C, while determining its ash content for proximate analysis.
[A].

500

[B].

750

[C].

950

[D].

1100

Answer: Option B

Explanation:

No answer description available for this question.

Question: A coal that softens and fuses on heating is
[A].

classified

[B].

carbonised

[C].

caking

[D].

non-caking

Answer: Option C

Explanation:

No answer description available for this question.