Contact process of sulphuric acid manufacture

Question: Alpha iron is stable __________ °C.
[A].

above 1403

[B].

upto 910

[C].

above 1800

[D].

between 910 & 1403

Answer: Option B

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.