An ultrasonic instrument control which is used to expand or contract the horizontal base line of an A scan display is called:

Related MCQs

• An ultrasonic instrument control which allows moving an A scan display to the left or right without changing the distance between any echoes displayed is called:
• An instrument display in which the horizontal base line represents elapsed time and the vertical deflection represents signal amplitudes is called:
• In a basic pulse-echo ultrasonic instrument, the component that produces the time base line is called a:
• In an A scan presentation, the horizontal base line represents the:
• An ultrasonic insrument control which is used to adjust the sharpness of the CRT screen display is called:
• Strong signals which travel across the horizontal time base of an A scan presentation while the transducer is motionless on the test piece are probably:
• In a basic ultrasonic test pattern (A scan) for contact testing, the initial pulse (assume no sweep delay is used):
• 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 ultrasonic display which shows a cross section of the test piece and any flaws which are found are called:
• An ultrasonic data display which shows a plan view presentation of the data is called: