M

Mr. Dubey • 52.30K Points
Coach 

Q. The purpose of using a developer is:

(A) To create a contrasting background for the penetrants to ensure better visibility of indications
(B) Assists in reverse capillary action due to absorption ability of developers
(C) Prevent the part from corroding after the liquid penetrant test
(D) To ensure that the part has been correctly heat treated
Correct : Option (B)

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