Radar Tester Question:
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Explain me what Is An Ultrasonic Thickness Gage?

Answer:

An ultrasonic thickness gage is an instrument that generates sound pulses in a test piece and very precisely measures the time interval until echoes are received. Having been programmed with the speed of sound in the test material, the gage utilizes that sound velocity information and the measured time interval to calculate thickness via the simple relationship [distance] equals [velocity] multiplied by [time].

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