What amount of time is normally considered necessary for dark adaption of the eyes prior to performing a fluorescent penetrant test?

Related MCQs

• What is the minimum time considered necessary for dark adaptation of the eyes prior to evaluating the results of a fluorescent penetrant test?
• When performing a fluorescent penetrant examination, excess penetrant is normally removed:
• While performing a fluorescent water washable penetrant test, which of the following steps should be performed under black light?
• 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:
• For adequate test results, the black light used in fluorescent penetrant examination should provide what minimum black light intensity at the test surface?
• The advantages of using a visible solvent removable penetrant versus a post emulsified fluorescent penetrant is:
• Fluorescent penetrant indications are more visible than colour contrast penetrant indications because:
• When performing a post emulsifiable penetrant test, the test piece does not rinse acceptable clean during normal processing. What should be done?
• What is the preferred method of removing paint prior to performing a penetrant testing?
• Which of the following is normally prohibited as a method of removing excess penetrant when using the solvent removable penetrant process?