As the equilibrium moisture content of the coal increases, its

Question: Brazing is the joining of metals
[A].

without melting the base metal.

[B].

with a non-ferrous filler.

[C].

both (a) & (b).

[D].

neither (a) nor (b).

Answer: Option C

Explanation:

No answer description available for this question.

Question: In the blast furnace, incorporation of water vapour in the blast gives the following effect.
[A].

Increases the reducing potential of the gas.

[B].

Increases the flame temperature.

[C].

No significant change occurs.

[D].

Increases the hydrogen content in the metal.

Answer: Option A

Explanation:

No answer description available for this question.