A magnetic field which is contained completely within the test piece is called a:

Related MCQs

• When using a straight beam technique to examine a thick test piece what change(s) would you expect to see in back wall echo size as you approach the side of the test piece? (Transducer remains completely on test piece)
• How is the magnetic field strength at the surface of a magnetic conductor having permeability, µ, related to the magnetic field strength, F, at the surface of a nonmagnetic conductor carrying the same current?
• A magnetic particle testing technique in which the test piece is magnetised and magnetic particles applied after the magnetising force has been removed is called the:
• The ease with which a magnetic field can be established in a test piece is called:
• The reverse magnetising force necessary to remove a residual magnetic field from a test piece after it has been magnetically saturated is called:
• Opposition to establishment of a magnetic field in a test piece is called:
• Compared to the magnetic field strength at the outer surface, the magnetic field strength, at the centre of a hollow, nonmagnetic conductor carrying DC current is:
• 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 describes the best technique for applying dry magnetic particles to a test piece?
• Which of the following is false concerning a magnetic field in and around a hollow conductor as compared to that of a solid conductor of the same outside diameter when both are of the same magnetic material, and when the applied current is the same?