An ultrasonic insrument control which is used to adjust the sharpness of the CRT screen display is called:

Related MCQs

• An ultrasonic instrument control which is used to expand or contract the horizontal base line of an A scan display is called:
• 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:
• When a vertical indication has reached the maximum signal height which can be displayed or viewed on the CRT of an ultrasonic instrument, the indication is said to have reached its:
• 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:
• 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:
• An ultrasonic display which shows echo locations and amplitude is called:
• How many decibels of attenuation correspond to an ultrasonic signal loss of from 100% to 25% on full screen height?
• An oscilloscope display in which the screen base line is adjusted to represent the one way distance in a test piece is called a:
• Which of the following statements should be true to achieve the highest level of radiographic sharpness (definition)?