Abnormally large grain size in the test material may be indicated by:

Related MCQs

• When using a straight beam technique to examine a thick test piece what change(s) would you expect to see in back wall echo size as you approach the side of the test piece? (Transducer remains completely on test piece)
• A problem which could be caused by a penetrant with abnormally high water content is:
• A 7.6 cm (3 inches) thick test specimen is radiographed with a source having size of 1.3 cm (1/2 inch), the film is placed in contact with the test specimen. The source to film distance is 40.6 cm (16 inches).The geometric unsharpness obtained is:
• AA material used between the face of a search unit and the test surface to permit or improve the transmission of ultrasonic vibrations from the search unit to the material being tested is called:
• Ultrasonic testing of material where the search unit is in direct contact with the material being tested may be:
• During a visible, solvent removable penetrant test, complete penetrant removal is indicated by:
• A smooth flat discontinuity whose major plane is not perpendicular to the direction of sound propagation may be indicated by:
• A large source size can be compensated for by:
• A test piece with large differences in thickness would have:
• Calculate geometric unsharpness for the following conditions: Source size = 2 mm × 2 mm; SFD = 700 mm; test piece thickness = 25 mm