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What are the demerits of the typical ultrasonic flaw detector?
Demerits of a typical ultrasonic flaw detector:
a. Both the sides of the specimen are needed for the study.
b. Both the sides of the wall to be studied require being parallel.
c. As two different probes are utilized for transmission and reception coupling loss is maximised.
d. Simply the presence of the defect is revealed. The depth of it is not made known.
What are the methods for producing Ultrasonic waves? Ultrasonic Production: Three methods there for producing Ultrasonic waves are as given below: a. Mechanical generator
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An electric dipole of dipole moment 20, X 10 -6 C.m is enclosed by a closed surface. What is the net flux coming out of the surface?
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As per the most established theory it is because of the rotation of the earth where by the several charged ions there in the molten state in the core of the earth rotate and consti
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