Cementite is

Question: Hard coke is manufactured from
[A].

lignite

[B].

bituminous coal

[C].

semi-anthracite

[D].

anthracite

Answer: Option B

Explanation:

No answer description available for this question.

Question: Anthracite can be used for
[A].

recarbonising steel.

[B].

making carbon electrodes;

[C].

blending with highly coking coal to check its swelling which helps in saving coke even walls from damage and to produce high strength coke.

[D].

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

Answer: Option D

Explanation:

No answer description available for this question.