Artificial draught produced by a fan can be controlled by the___________________?

Question: A coal having high amount of volatile matter
[A].

would require smaller combustion chamber.

[B].

produces very little of tar and gas on carbonisation.

[C].

ignites easily and burns with long smoky flame.

[D].

all (a), (b) and (c).

Answer: Option D

Explanation:

No answer description available for this question.

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: Method of maintaining fires in furnace during standby periods without undue consumption of fuel is called
[A].

back draughting.

[B].

banking.

[C].

under pressurising.

[D].

none of these.

Answer: Option B

Explanation:

No answer description available for this question.