What additional surface preparation or cleaning must be performed on a machined or ground aluminium casting prior to penetrant testing?

Related MCQs

• 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?
• Which of the following is the most desirable method of pre-cleaning a test piece prior to penetrant testing?
• 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 methods is not recommended for pre-cleaning prior to a liquid penetrant test:
• Which of the following types of pre-cleaning processes may be used for liquid penetrant testing?
• A penetrant testing method in which an emulsifier, separate from the penetrant, is used is called:
• Over washing during excess penetrant removal is less likely with which penetrant testing process?
• What is the preferred method of removing paint prior to performing a penetrant testing?
• Surface breaking porosity will show what type of relevant indications when a welded aluminium plate is tested with the liquid penetrant method:
• Cracks, lack of penetration, lack of fusion which are surface breaking on a welded aluminium plate which has been liquid penetrant tested will show as: