Which of the following frequencies would probably result in the greatest attenuation loss?

The technique in which a flowing stream of water is used to couple the transducer to the test specimen is called:

A discontinuity can be caused within a casting as it solidifies. It would be called:

In its original shape, porosity would appear:

Porosity is sometimes found in plate or sheet metal and is given the name:

Whenever an ultrasonic incident angle is set at 5 degrees from normal:

In selecting a suitable couplant, which of the following characteristics would not affect the selection?

A straight beam contact transducer consists of:

In immersion testing, a wetting agent is added to the water to:

When contact testing, if the ultrasonic instrument is set with an excessively high pulse repetition frequency:

When C-scan recording is used to produce a permanent record of an ultrasonic test, the information displayed is typically the discontinuity’s:

The component in an ultrasonic immersion system that is used to adjust and maintain a known transducer angle is called:

A type of data presentation most likely to be used with a high speed automatic scanning system is:

What type of ultrasonic examination uses wheel-type transducers that eliminate the use of a tank?

When inspecting coarse-grained material, a sound wave is most easily scattered by the grain structure by a frequency of: