one of the following is main disadvantage of flame hardeing process of nsurface hardeing?

M

Mr. Dubey • 52.26K Points
Coach

Q. one of the following is main disadvantage of flame hardeing process of nsurface hardeing?

(A) possibility of over heating and grain growth

(B) close control over case depth is not possible

(C) mostly suitable or symmetri components only

(D) all of the above

Correct : Option (D)

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