Comparing parts that have been circularly magnetized and those that have been longitudinally magnetized, which retains the most objectionable residual field if not demagnetized?

When testing for fine shallow surface cracks, the preferred MT method should be:

Which of the following is an advantage of the dry method over the wet method?

The term used to refer to the total opposition to flow of current represented by the combined effect of resistance, inductance, and capacitance of a circuit is:

All of the following discontinuities are commonly found in rolled products except:

The length of a part being magnetized by passing an electric current from one end to the other:

A swinging field is obtained by:

Magnetic particle indications are caused when magnetic particles are attracted at which of the following?

Why is it important that non-relevant indications be recognized and eliminated?

The selection of the test method is primarily determined by the ____________ of the test article.

Which method is most effective for locating deep subsurface discontinuities?

Which type of current is best for detection of surface discontinuities?

A circular magnetic field is the nearest approach to a “leakage free’ magnetic field

The two primary methods of inducing circular magnetism in an article are:

Materials which are strongly attracted to a magnet are called:

The pattern of iron powder sprinkled on a paper placed over a bar magnet is called a:

In magnetic particle inspection, it is best to:

A bar magnet is a classic example of:

Which of the following offers the closest approach to a leakage-free magnetic field?

Which of the following contains a material that is not a permanent magnetic material produced by heat treating in a strong magnetic field or by its own nature?

The Earth’s magnetic field, although weak, can reduce magnetism. Its strength is:

The primary advantage of alternating current magnetization is:

A disadvantage of half-wave direct current (HWDC) is that:

Which of the following anomalies is not considered to be a service discontinuity?

To locate a discontinuity with respect a magnetizing electric current, the most favorable orientation is:

The magnetic field produced during the insertion of a ferromagnetic material within a coil containing an electric current is:

The greatest flux leakage in a longitudinally magnetized part is at:

Which of the following parameters is not part of a wide loop B-H curve?

Which parameter is not part of a narrow loop B-H curve?

To best avoid the confusion caused by a nonrelevant indication, the operator should:

A lap is the type of discontinuity associated with:

Another name for cold cracking in welds is:

Shim discontinuity standards are produced from ferromagnetic ______________ material.

When a hollow tubular part is magnetized between the heads, flux density will be greatest:

When using a central conductor to magnetize a hollow article, flux density in the article will be greatest:

The length of an article being magnetized between the heads has little effect on the strength of the magnetic field produced.

Reliable testing in the wet method depends on the equipment and the bath being:

One of the reasons half-wave DC (HWDC) is more sensitive than true direct current is because of its ability to:

It is necessary that the magnetizing force at the start of demagnetization be greater than the magnetizing force used to test the article initially.

Which of the following casting defects is caused by non-uniform cooling resulting in stresses which rupture the surface of the metal?