Metallic soap is __________ salt of fatty acids.

Question: Blow off cock is provided in steam boiler to
[A].

guard the boiler in case of abnormal rise in steam pressure.

[B].

drain out water and sludge during its repair.

[C].

regulate the supply of water in boiler.

[D].

put out the fire in the furnace when the water level in the boiler falls to unsafe limit.

Answer: Option B

Explanation:

No answer description available for this question.

Question: __________ can not be forged.
[A].

High speed/carbon steel

[B].

Cast iron

[C].

Wrought iron

[D].

Mild steel

Answer: Option B

Explanation:

No answer description available for this question.