Which of the following metals must be tested with low halogen sulphur free penetrant materials:

Related MCQs

• Halogen content of penetrant materials is limited because of the possibility of stress corrosion cracking in which of the following materials?
• Low sulphur and chlorine penetrant materials would be used for 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:
• 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:
• Excess penetrant removal is a two step process with which of the following penetrant methods?
• Which of the following is normally prohibited as a method of removing excess penetrant when using the solvent removable penetrant process?
• Which of the following is the proper first step in removal of excess penetrant when using the solvent removable penetrant process?
• Surface breaking porosity will show what type of relevant indications when a welded aluminium plate is tested with the liquid penetrant method:
• 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?
• A penetrant process which employs an emulsifier as a separate step in the penetrant removal process is called: