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1.
In non-destructive testing, sound test used is a very fine and accurate method of detecting flaws in the castings.
2.
Impact test for detection of defects in the casting is the most crude and unreliable method of non-destructive testing.
3.
Which of the following methods of NDT requires leak proofing of casting before inspection?
4.
Which of the following types of rays is used in radiography for the inspection of castings?
5.
In radiography, the penetration of rays is much easier with the less density of metal or casting.
6.
In penetrant testing of NDT, a liquid is penetrated into the cracks of metal by the application of pressure.
7.
Which of the following methods of inspection uses high frequency of sound waves for the detection of flaws in the castings?
8.
In ultrasonic inspection, a signal processing technique is used for the accurate indication of porosity in the castings.
9.
Which of the following terms changes in the eddy current testing method for the detection of defects in the castings?
10.
There are no restrictions in the eddy current testing method; it can detect defects up to high depth in the castings.