The portion of a test piece which is represented by the CRT screen area from zero to the rightmost edge of the initial pulse is called:

Related MCQs

• 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)
• An ultrasonic insrument control which is used to adjust the sharpness of the CRT screen display is called:
• An oscilloscope display in which the screen base line is adjusted to represent the one way distance in a test piece is called a:
• In a basic ultrasonic test pattern (A scan) for contact testing, the initial pulse (assume no sweep delay is used):
• 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?
• AA display which shows the initial pulse and the front surface echo superimposed would be considered:
• AA display which shows the initial pulse and the front surface echo with a fairly wide space between the two would be considered:
• When performing a post emulsifiable penetrant test, the test piece does not rinse acceptable clean during normal processing. What should be done?
• An ultrasonic display which shows a cross section of the test piece and any flaws which are found are called:
• The echo on the cathode ray tube (CRT) which represents the far boundary of the material being tested is called: