During decarburising of a plain carbon steel, the thickness of ferrite layer growth is proportional to____________________?

Question: A hot short metal is
[A].

hard when hot.

[B].

brittle when cold.

[C].

brittle when hot.

[D].

brittle under all conditions.

Answer: Option C

Explanation:

No answer description available for this question.

Question: Earing is a defect found in steels after the following metal working operation (s).
[A].

Deep drawing

[B].

Rolling

[C].

Extrusion

[D].

Wire drawing

Answer: Option A

Explanation:

No answer description available for this question.

Question: Work study deals with the __________ study.
[A].

time

[B].

motion

[C].

both (a) & (b)

[D].

neither (a) nor (b)

Answer: Option C

Explanation:

No answer description available for this question.