Which of the following characteristics would be most important in a test piece which is to be tested using the residual method?

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?
• The reverse magnetising force necessary to remove a residual magnetic field from a test piece after it has been magnetically saturated is called:
• When using a post emulsifiable penetrant process, it is important to drain as much excess penetrant as possible from the surface of a test piece which has been immersed in the penetrant because:
• Which of the following is the most desirable method of pre-cleaning a test piece prior to penetrant testing?
• Which of the following describes the sound field propagating in a piece of steel bar stock which is being tested from one end with longitudinal waves?
• AA test method employing two seperate search units on opposite surfaces of the material being tested is called:
• 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?
• Why is it important to view the test piece shortly after developer application and periodically through the development time?