Argyll Ruane Mechanical Engineering Inverse Laws Quiz
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Argyll Ruane Mechanical Engineering Inverse Laws Quiz

Test your knowledge on inverse and inverse square laws in mechanical engineering. Learn about how the amplitudes of sound reflected from large and small reflectors in the far zone follow different laws based on their size compared to the ultrasonic beam width.

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@ExceptionalGalaxy

Questions and Answers

If the distance from a large reflector is doubled, what happens to the signal amplitude?

It halves

What kind of law does the amplitude of large reflectors follow in the far zone?

Inverse law

Which reflectors follow the inverse square law in the far zone?

Small reflectors

What happens to the amplitude of small reflectors if the distance is doubled?

<p>It becomes one quarter</p> Signup and view all the answers

What are side lobes in relation to ultrasonic testing?

<p>Secondary lobes that radiate away from the main lobe</p> Signup and view all the answers

How may side lobes impact ultrasonic testing on rough surfaces?

<p>Cause unwanted echoes to be received by the probe</p> Signup and view all the answers

In which type of reflector does the amplitude decrease more rapidly with distance in the far zone?

<p>Small reflectors</p> Signup and view all the answers

What could happen on a screen during ultrasonic testing if side lobes are present?

<p>Unwanted echoes may be mistaken for flaws</p> Signup and view all the answers

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