Dye Penetrant Inp Quiz Flashcards
If dye penetrant inspection indications are not clear, the most probable cause is
the part was not thoroughly washed before the developer was applied
If dye penetrant inspection indications are not sharp and clear, the most probably cause is that the part…
was not thoroughly washed before the developer was applied
(True/False)
Dye penetrant inspection is an effective method to detect sub surface cracks.
False
In Dye Penetrant, a minute crack requires a ____ penetrating or dwell time
Longer
True/False
A part which is being prepared for dye penetrant inspection does not need to be thoroughly cleaned prior to inspection
False
Which of the following is a main determinant of the dwell time to use when conducting a dye or fluorescent penetrant inspection?
the size and shape of the flaw being looked for
A part being prepared for dye penetrant is cleaned with
a volatile petroleum-based solvent
If I have an aluminum part, what NDT methods (pick 4) could I use to find
cracks open to the surface?
eddy current
dye penetrant
ultrasonic
visual inspection
Liquid or Dye Penetrant is used to detect what type of defect ______ crack
surface crack
To detect a minute crack using dye penetrant inspection usually requires
a longer than normal penetrating time
Dye penetrant or liquid penetrant inspection is used on what kinds of
materials?
non-porous
In performing a dye penetrant inspection, the developer acts as a _____.
blotter
Liquid or Dye Penetrant can be used on which of the following (6 correct)
aluminum
non porous plastic
non porous metal
titanium
copper
steel
Match the Dye Penetrant steps to their order
1.
2.
3.
4.
5.
6.
1
thorough cleaning of surface
2
apply penetrant
3
remove penetrant
4
Dry
5
Apply developer
6
inspect for results
