In non-destructive testing, sound test used is a very fine and accurate method of detecting flaws in the castings.(a) True(b) FalseThe question was posed to me in semester exam.My doubt stems from Non Destructive Testing topic in division Inspection Testing in Foundries of Casting-Forming-Welding I

In non-destructive testing, sound test used is a very fine and accurat

1.	In non-destructive testing, sound test used is a very fine and accurate method of detecting flaws in the castings.(a) True(b) FalseThe question was posed to me in semester exam.My doubt stems from Non Destructive Testing topic in division Inspection Testing in Foundries of Casting-Forming-Welding I
Answer» Right choice is (b) False Easiest explanation: Sound test is a very rough test to INDICATE any flaws or discontinuities in the casting. The casting is SUSPENDED by suitable support and tapping is done at the surface of the casting with a hammer that makes a variation in the tone which INDICATES the existence of flaws. This method does not indicate the exact LOCATION and EXTENT of the discontinuity in the casting.

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In non-destructive testing, sound test used is a very fine and accurate method of detecting flaws in the castings.(a) True(b) FalseThe question was posed to me in semester exam.My doubt stems from Non Destructive Testing topic in division Inspection Testing in Foundries of Casting-Forming-Welding I

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