Exam 25: Testing and Inspection

Using a(n) ____________________ is an alternative nonstandard way of looking at what is hidden beneath the surface of a weld.

The formula for the cross-sectional area of a specimen at the middle is ____.

The E7018 electrode should not be weaved wider than ____ times the electrode diameter because very little shielding gas is produced.

The percent of elongation is found by ____.

In a fatigue test, the results are reported as ____.

Explain how eddy current inspection works.

With ____________________ testing all welds can be tested and the part can be used for its intended purpose.

What units are used to record the energy required to break the specimen in an Izod test?

Each code gives the ____ that changes a discontinuity to a defect.

The four wheels beneath a railroad car are referred to as a(n) ____________________.

The two methods used in product quality control are ____ testing.

In a free-bend test, the width of the specimen is ____ multiplied by the thickness of the specimen.

In an alternate bend test, the specimen is bent ____ from the gauge lines through an angle of ____.

Longitudinal shearing strength is obtained by ____.

____ is/are nonmetallic materials trapped in the weld metal, between weld beads, or between the weld and the base metal.

What can cause small localized hard spots on the metal surface?

What problem can be caused by improper joint fitup or not enough welding current?

What term is used to describe the fact that not enough filler metal was added to the weld groove?

What term is used to describe a discontinuity that is caused by slag trapped in the metal during manufacturing?

Explain how ultrasound can be used for weld inspection.