During its calorific value determination by bomb calorimeter, coal is combusted by _________________?

Question: Ionisation potential applied across the electrodes of electrostatic tar precipitator is around
[A].

230 V AC

[B].

60 KV AC

[C].

230 V DC

[D].

60 KV DC

Answer: Option D

Explanation:

No answer description available for this question.

Question: A coal having higher volatile matter content, has lower
[A].

smoking tendency on burning.

[B].

coke oven gas yield on carbonisation.

[C].

chance of catching fire during storage in open space.

[D].

ignition temperature.

Answer: Option D

Explanation:

No answer description available for this question.

Question: Dry air required to burn 1 kg of carbon completely may be around __________ kg.
[A].

11

[B].

2

[C].

20

[D].

38

Answer: Option A

Explanation:

No answer description available for this question.

Question: A certain thickness of the coal, if stored unscientifically on soft (katcha) ground having no metallic/concrete flooring gets sunked into the ground, which is termed as the ‘carpet loss’. The carpet loss may be of the order of __________ cms.
[A].

1 to 2

[B].

3 to 4

[C].

5 to 15

[D].

20 to 40

Answer: Option C

Explanation:

No answer description available for this question.