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What is the amount of time taken for blotting?

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+2 votes
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in Casting-Forming-Welding II by (119k points)
What is the amount of time taken for blotting?

(a) 5 minutes

(b) 10 minutes

(c) 15 minutes

(d) 20 minutes

The question was posed to me in a job interview.

My question comes from Dye Penetrant Test topic in chapter Non Destructive Techniques of Casting-Forming-Welding II

1 Answer

+1 vote
by (701k points)
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Best answer
The correct choice is (b) 10 minutes

Easy explanation: The process of inspection is one of the steps of the important of dye penetrant test. The operation of inspection begins after the article is allowed to blot for around ten minutes.

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