NDI UT Level 2 ASNT Test Questions
And Answers | 2025 Updated
Solutions | 100% Correct Answers
which circuits modify the return signal from the receiving transducer into a form suitable
for display on an oscilloscope or other output device - CORRECT ANSWER-Receiver-
amplifier
which circuit generates a burst of alternating voltage that is applied to the sending
transducer - CORRECT ANSWER-pulser
A plan view display or recording of a part under examination is called - CORRECT
ANSWER-A C-scan display
25 million cycles per second can also be stated as ______ - CORRECT ANSWER-25
MHz
which of the following materials of the same alloy is most likely to produce the greatest
amount of sound attenuation over a given distance? - CORRECT ANSWER-A Coarse-
Grained Casting
when the motion of the particles of a medium is parallel to the direction of propagation,
the wave being transmitted is called a _________ - CORRECT ANSWER-Longitudinal
Wave
when the motion of the particles of a medium is transverse to the direction of
propagation, the wave being transmitted is called a ____________ - CORRECT
ANSWER-Shear Wave
a term used in ultrasonics to express the rate at which sound waves pass through
various substances is _________ - CORRECT ANSWER-Velocity
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 _______ - CORRECT ANSWER-Vertical Level
in an A-scan presentation the horizontal base line represents _____ - CORRECT
ANSWER-Elapsed Time or Distance
And Answers | 2025 Updated
Solutions | 100% Correct Answers
which circuits modify the return signal from the receiving transducer into a form suitable
for display on an oscilloscope or other output device - CORRECT ANSWER-Receiver-
amplifier
which circuit generates a burst of alternating voltage that is applied to the sending
transducer - CORRECT ANSWER-pulser
A plan view display or recording of a part under examination is called - CORRECT
ANSWER-A C-scan display
25 million cycles per second can also be stated as ______ - CORRECT ANSWER-25
MHz
which of the following materials of the same alloy is most likely to produce the greatest
amount of sound attenuation over a given distance? - CORRECT ANSWER-A Coarse-
Grained Casting
when the motion of the particles of a medium is parallel to the direction of propagation,
the wave being transmitted is called a _________ - CORRECT ANSWER-Longitudinal
Wave
when the motion of the particles of a medium is transverse to the direction of
propagation, the wave being transmitted is called a ____________ - CORRECT
ANSWER-Shear Wave
a term used in ultrasonics to express the rate at which sound waves pass through
various substances is _________ - CORRECT ANSWER-Velocity
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 _______ - CORRECT ANSWER-Vertical Level
in an A-scan presentation the horizontal base line represents _____ - CORRECT
ANSWER-Elapsed Time or Distance
