NDI UT LEVEL 2 ASNT TEST EXAM
QUESTIONS AND ANSWERS GRADED A+
2025/2026
The interference field near the face of a transducer is often referred to as the _____ -
ANS Fresnel zone
in a test where the transducer is not perpendicular to the inspection surface, the angle of
incidence is equal to _________ - ANS Angle of Reflection
a separate time base line imposed on the viewing screen of some ultrasonic testing instruments
that permits measurement of distances is often referred to as ________ - ANS A Marker
the phenomenon whereby an ultrasonic wave changes direction when the wave crosses a
boundary between materials with different velocities is called _________ - ANS Refraction
another name for Rayleigh Waves is _____ - ANS Surface Waves
the cable that connects the ultrasonic instrument to the search unit especially designed so that
one conductor is centered inside another. the technical name for such cable is _______ -
ANS Coaxial Cable
1 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED.
, another name for compressional name is_______ - ANS Longitudinal Wave
the piezoelectric material in a search unit which vibrates to produce ultrasonic waves is called a
_______ - ANS Crystal
the amount of beam divergence from a crystal is primarily dependent on the __________ -
ANS Frequency and Crystal Size
when an ultrasonic beam passes through the interface between two dissimilar materials at an
angle, a new angle of sound travel takes place in the second material due to ________ -
ANS Refraction
25 million cycles per second can also be stated as ______ - ANS 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? - ANS 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 _________ - ANS 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 ____________ - ANS Shear Wave
a term used in ultrasonics to express the rate at which sound waves pass through various
substances is _________ - ANS Velocity
2 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED.
QUESTIONS AND ANSWERS GRADED A+
2025/2026
The interference field near the face of a transducer is often referred to as the _____ -
ANS Fresnel zone
in a test where the transducer is not perpendicular to the inspection surface, the angle of
incidence is equal to _________ - ANS Angle of Reflection
a separate time base line imposed on the viewing screen of some ultrasonic testing instruments
that permits measurement of distances is often referred to as ________ - ANS A Marker
the phenomenon whereby an ultrasonic wave changes direction when the wave crosses a
boundary between materials with different velocities is called _________ - ANS Refraction
another name for Rayleigh Waves is _____ - ANS Surface Waves
the cable that connects the ultrasonic instrument to the search unit especially designed so that
one conductor is centered inside another. the technical name for such cable is _______ -
ANS Coaxial Cable
1 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED.
, another name for compressional name is_______ - ANS Longitudinal Wave
the piezoelectric material in a search unit which vibrates to produce ultrasonic waves is called a
_______ - ANS Crystal
the amount of beam divergence from a crystal is primarily dependent on the __________ -
ANS Frequency and Crystal Size
when an ultrasonic beam passes through the interface between two dissimilar materials at an
angle, a new angle of sound travel takes place in the second material due to ________ -
ANS Refraction
25 million cycles per second can also be stated as ______ - ANS 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? - ANS 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 _________ - ANS 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 ____________ - ANS Shear Wave
a term used in ultrasonics to express the rate at which sound waves pass through various
substances is _________ - ANS Velocity
2 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED.
