Question

explain how the defects in a metal block can be detected using ultrasound.

Answer 1

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explain how the defects in a metal block can be detected using ultrasound.

Answer: Ultrasounds can be used to detect cracks and flaws in metal blocks. ... Ultrasonic waves are allowed to pass through the metallic block and detectors are used to detect the transmitted waves. If there is even a small defect, the ultrasound gets reflected back indicating the presence of the flaw or defect

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Answer 2

We can detect the defect in a metal block by following way

If there is any defect in metallic block like it breaked from centre ,there is any gap inside the block so when we pass ultrasound from it is reflect back which is observed by ultrasound detector ,and if it don't reflect this means metal block is correct there is nothing defect in it.