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Demonstrate the typical ultrasonic flaw detector in its reflection modes?
A typical ultrasonic flaw detector into its reflection modes is as demonstrated below:
Assume that d be the distance of flaw by the transducer; and ‘v’ be the velocity of sound into the test specimen as well as t be the time of flight. In that case the total distance travelled by the sound into the specimen
v = (2d)/t or d = (vt)/2
The given diagram shows such echo pattern indicating the presence of a defect.
(i) Electric field lines come out of positive charge and go into the negative charge. (ii) Tangent to the field line at any point gives the direction of the field at that point.
INFORMATION ABOUT PRALLEL FORCE
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