By 00 probe in AT weld testing with normal gain setting. (i) Area below N.axis can be tested. (ii) Area below N.axis can not be tested.* (iii) Only web below N.axis can be tested. (iv) All above are correct. Answer : (ii) Area below N.axis can not be tested.*...
450 probe is used for detecting defect in; (i) FB weld (ii) AT weld (iii) FB weld, AT weld & SEJ (iv) All above* Answer : (iv) All above*...
During periodic testing of an AT weld with 700 probe, a bunch of moving signals of less than 40% but more than 10% is observed in the head of weld, the joint will be. (i) Good joint.* (ii) DFWR (iii) DFWO (iv) OBSW Answer : i) Good joint.*...
Tandem rig test with 450 probe for AT weld detects. (i) Horizontal longitudinal defect in weld. (ii) Vertical oriented defect in AT weld.* (iii) Transverse defect in AT weld. (iv) Defect in flange of AT welds. Answer : (ii) Vertical oriented defect in AT weld.*...
Late tapping will cause defect of? (i) Lack of fusion (Heat losses)* (ii) Piping defect (iii) Half moon defect (iv) None of above Answer : (i) Lack of fusion (Heat losses)*...
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