Hardening of steel is not possible unless it is heated __________ critical point. Options: A . &nbspAbove the highest B . &nbspAbove the lowest C . &nbspBetween the first & second D . &nbspBetween the second & third

Hardening of steel is not possible unless it is heated _________

Question

Hardening of steel is not possible unless it is heated __________ critical point.

Options:

A . Above the highest

B . Above the lowest

C . Between the first & second

D . Between the second & third

Answer: Option B

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