Efficient burning of anthracite coal requires______________________?

Question: The calorific value of L.D. converter gas is about __________ Kcal/Nm3 .
[A].

1800

[B].

800

[C].

4500

[D].

10000

Answer: Option A

Explanation:

No answer description available for this question.

Question: A liquid/gaseous fuel containing hydrocarbons and high amount of sulphur is burnt with 40% excess air. The flue gas still contains large amount of carbon monoxide. This may be due to the
[A].

presence of large quantity of hydrogen in the fuel.

[B].

low calorific value of the fuel.

[C].

high sulphur content in the fuel.

[D].

lack of thorough mixing of fuel with air.

Answer: Option D

Explanation:

No answer description available for this question.

Question: A gaseous fuel in order to develop luminousity on burning, must contain
[A].

carbon monoxide

[B].

hydrocarbons

[C].

hydrogen

[D].

oxygen

Answer: Option B

Explanation:

No answer description available for this question.