M

Mr. Dubey • 52.26K Points
Coach 

Q. What is the danger associated with using a wire brush during pre-cleaning?

(A) Bristles from the wire brush may cause false indications
(B) Contaminants from the wire brush may cause delayed hydrogen cracking of high carbon steels
(C) The wire brush may not adequately remove organic soils
(D) The wire brush may close or smear metal over
Correct : Option (D)

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