When conducting an immersion test, the water path distance must be controlled so that:

Related MCQs

• In immersion testing, the position of the search unit is often varied to transmit sound into the test part at various angles to the front surface. Such a procedure is referred to as:
• Typical immersion test frequencies for wrought aluminium are:
• Which of the following is a disadvantage of immersion test units?
• During immersion testing of pipe or tubing the incident longitudinal wave angle must be limited to a narrow range. The reason for the upper limit is:
• Which of the following types of penetrants, developers, solvents are used when conducting a liquid penetrant test on a part that is exposed to a liquid oxygen environment.
• The typical temperature ranges for conducting a liquid penetrant test is:
• A 7.6 cm (3 inches) thick test specimen is radiographed with a source having size of 1.3 cm (1/2 inch), the film is placed in contact with the test specimen. The source to film distance is 40.6 cm (16 inches).The geometric unsharpness obtained is:
• 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)
• Which of the following developers is applied by immersion or flow on only?
• When applied by immersion, an optimum concentration for a hydrophilic emulsifier is about: