M

Mr. Dubey • 52.30K Points
Coach 

Q. Which of the following describes the best technique for applying dry magnetic particles to a test piece?

(A) Dip the test piece in a tank of dry particles while current is flowing
(B) Apply with an electrostatic spray gun at approximately 30 PSIG
(C) Gently pour the powder onto the test piece
(D) Shake or dust the powder onto the test piece with minimum velocity
Correct : Option (D)

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