A noisy base line, or hash may result in:

Related MCQs

• AA screen pattern containing a large number of low-level indications (often reffered to as ‘hash’) could be caused by:
• An oscilloscope display in which the screen base line is adjusted to represent the one way distance in a test piece is called a:
• An instrument display in which the horizontal base line represents elapsed time and the vertical deflection represents signal amplitudes is called:
• In an A scan presentation, the horizontal base line represents the:
• An ultrasonic instrument control which is used to expand or contract the horizontal base line of an A scan display is called:
• In a basic pulse-echo ultrasonic instrument, the component that produces the time base line is called a:
• Reticulation may be the result of:
• Mottled film may result from:
• A wider entry surface indication or pulse may result from:
• A dark crescent shaped spot, clearly in the base metal adjacent to a weld would probably be: