Question

Which of the following statements is/are true for the ultrasonic test?

(a) Equipment used for ultrasonic testing is portable

(b) Complicated shapes can be easily scanned

(c) Waves generated are health hazardous

(d) Waves generated are health hazardous and complicated shapes can be easily scanned

This question was addressed to me in examination.

My question is taken from Destructive and Non-Destructive Tests topic in chapter Testing of Concrete of Concrete Technology

Answer 1

Correct option is (a) Equipment used for ultrasonic testing is portable

For explanation: Ultrasonic test uses sound waves of high frequency to detect discontinuities. This method is used to detect flaws on the surface and also deep inside the component. The waves travel in straight line and are reflected from metal gas interface or discontinuities in their patch.