The time period during which penetrant remains on the surface of the test piece is called:

Related MCQs

• 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:
• 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?
• When performing a post emulsifiable penetrant test, the test piece does not rinse acceptable clean during normal processing. What should be done?
• A penetrant which requires a separate emulsification step prior to removal from the surface of the test piece is called?
• During a visible, solvent removable penetrant test, complete penetrant removal is indicated by:
• What is the likely result of incomplete removal of all excess penetrant from the test piece surface?
• Diffusion of a lipophilic emulsifier penetrant into the test piece surface is stopped by:
• For adequate test results, the black light used in fluorescent penetrant examination should provide what minimum black light intensity at the test surface?
• How will the excess surface penetrant be removed if a post emulsified penetrant was used: