Which of the following is not (!) a requirement of a couplant?

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Mr. Dubey • 52.41K Points
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Q. Which of the following is not (!) a requirement of a couplant?

(A) Easy application

(B) Highly penetrating

(C) Harmless both to the test piece and transducers

(D) Excludes all air between transducer and test piece

Correct Answer - Option(B)
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Filed under category Non Destructive Testing and Evaluation

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