Which of the following is the most desirable method of pre-cleaning a test piece prior to penetrant testing?

M

Mr. Dubey • 52.26K Points
Coach

Q. Which of the following is the most desirable method of pre-cleaning a test piece prior to penetrant testing?

(A) Sand blasting

(B) Vapour degreasing

(C) Emery cloth

(D) Wire brushing

Correct : Option (B)

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