Cold working of a material results in increase in hardness, which is termed as the __________ hardening.

Question: For storing water and acid free benzol, use a __________ vessel.
[A].

steel

[B].

karbate

[C].

stainless steel

[D].

none of these

Answer: Option A

Explanation:

No answer description available for this question.

Question: Molybdenum steels containing 0.15 to 0.40% molybdenum
[A].

are prone to temper brittleness.

[B].

are used for automobile parts like gears, axle, shaft, bearings etc.

[C].

have very poor fatigue resistance.

[D].

do not contain nickel or chromium or both.

Answer: Option B

Explanation:

No answer description available for this question.