A test piece with large differences in thickness would have:

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 soft aluminium test piece is to be penetrant tested. The piece has previously been sand blasted to remove tightly adhering soils. What additional surface preparation should be performed?
• Calculate geometric unsharpness for the following conditions: Source size = 2 mm × 2 mm; SFD = 700 mm; test piece thickness = 25 mm
• The approximate radiographic equivalence factors for steel and copper at 220 kV are 1.0 and 1.4 respectively. If it is desirable to radiograph a 1.27 cm (0.5 inch) piece of copper, what thickness of steel would require about the same exposure characteristics?
• When performing a post emulsifiable penetrant test, the test piece does not rinse acceptable clean during normal processing. What should be done?
• An ultrasonic test using a straight beam contact search unit is being conducted through the thickness of a flat part such as a plate. This test should detect:
• Which of the following characteristics would be most important in a test piece which is to be tested using the residual method?
• A reaction which occurs when a radiation beam of 500 keV is partially absorbed by a test piece would probably be:
• A reaction which occurs when a radiation beam of 90 keV is totally absorbed by a test piece would probably be:
• A reaction which occurs when a radiation beam of 15 MeV is partially absorbed by a test piece would probably be: