Volatile matter content of metallurgical coke may be around ______________ percent?

Question: __________ of the coal is the basis for Seylor’s coal classification.
[A].

Proximate analysis

[B].

Ultimate analysis

[C].

Caking index

[D].

Calorific value

Answer: Option B

Explanation:

No answer description available for this question.

Question: Junker’s calorimeter is used to determine the calorific value of
[A].

pulverised coal

[B].

gaseous fuels

[C].

fuel oil

[D].

none of these

Answer: Option B

Explanation:

No answer description available for this question.

Question: Largest constituent of blast furnace gas is
[A].

N2

[B].

CO

[C].

CO2

[D].

H2

Answer: Option A

Explanation:

No answer description available for this question.

Question: Coal tar (produced by high temperature carbonisation) is the main source of
[A].

aromatic compounds

[B].

alphatic compounds

[C].

paraffins

[D].

olefins

Answer: Option A

Explanation:

No answer description available for this question.