The reverse magnetising force necessary to remove a residual magnetic field from a test piece after it has been magnetically saturated is called:

Related MCQs

• 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 magnetism which remains in a piece of magnetisable material after the magnetising force has been removed is called the:
• The magnetism which remains in a piece of magnetisable material after the magnetising force has been removed is called the:
• 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)
• 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?
• The ability of a material to remain magnetic after the magnetising force is removed is called:
• 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?
• For direct contact magnetising methods, the magnetic field is oriented in what direction relative to the current direction?
• For direct contact magnetising methods, the magnetic field is oriented in what direction relative to the current direction?
• The ease with which a magnetic field can be established in a test piece is called: