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Mr. Dubey • 53.54K Points
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Q. A disadvantage of the post emulsifiable penetrant process is that:

(A) Test pieces can be re-processed several times with little loss of sensitivity
(B) It is not very sensitive to open, shallow discontinuities
(C) It is less sensitive to degradation in the presence of acids and chromates
(D) Emulsifier application is an extra processing step
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