Article - 6 (PT) Flashcards
The user of this Article shall obtain certification of contaminant content for all liquid penetrant materials used on ___________________
nickel base alloys, austenitic or duplex stainless steels, and titanium
Prior to each liquid penetrant examination, the surface
to be examined and all adjacent areas within at least ______
1 in. (25 mm)
As a standard technique, the temperature of the penetrant and the surface of the part to be processed shall not be below ______ nor _______ above throughout the examination period
40°F (5°C) - 125°F (52°C)
______________examination shall not follow a color contrast penetrant examination
Fluorescent penetrant
Intermixing of penetrant materials from different families or different manufacturers is __________________
not permitted
Light meters, both visible and fluorescent (black) light
meters, shall be calibrated at least ________ or whenever the meter has been repaired
once a year
If meters have not been in use for one year or more, calibration shall be done before_______
being used
The maximum dwell time shall not exceed ______ or as qualified by demonstration for specific applications
2 hr
For temperatures from 40°F (5°C) up to 50°F (10°C), minimum penetrant dwell time shall be _____ the value listed.
2 times
Excess water washable penetrant shall be removed with a water spray. The water pressure shall not exceed _______ , and the water temperature shall not exceed __________
50 psi (350 kPa) - 110°F (43°C).
Final interpretation shall be made not less than ____ min nor more than ____ min
10
60
Examiners shall be in a darkened area for at least ______ prior to performing examinations to enable their eyes to adapt to dark viewing
5 min
Temperature Limitations. Particles shall be used
within the temperature range limitations set by the __________of the particles
manufacturer