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Acoustic emission testing method is basically employed for the detection of surface discontinuities on the castings.

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in Casting-Forming-Welding I by (687k points)
Acoustic emission testing method is basically employed for the detection of surface discontinuities on the castings.

(a) True

(b) False

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The doubt is from Non Destructive Testing topic in division Inspection Testing in Foundries of Casting-Forming-Welding I

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The correct answer is (b) False

Best explanation: Acoustic emission testing method, in which solid materials emit sound or acoustic emission when they are stressed mechanically or thermally to the point where deformation or fracturing occurs. This creates elastic waves which can be analyzed by an acoustic emission test system to monitor the condition of the material or casting under stress.

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