EDELMAN REVIEW 2026
ACTUAL QUESTIONS WITH
VERIFIED ANSWERS.
Which is not a part of a transducer?
a. active crystal
b. matching layer
c. A / D converter
d. wire - correct answer-A / D converter
What is the Fraunhofer?
a. focus
b. near zone
c. far zone
d. penetration depth - correct answer-far zone
If we increase the frequency, the near zone length is:
a. increased
b. decreased
c. unchanged - correct answer-increased
,If the transducer aperture increases, the lateral resolution at its
smallest dimension is:
a. increased
b. decreased
c. unchanged - correct answer-increased
If we increased the transducer diameter, the beam diameter in
the far zone is:
a. increased
b. decreased
c. unchanged - correct answer-decreased
At the focus, the beam diameter is ___ the transducer diameter.
a. equal to
b. half
c. double
d. one-fourth - correct answer-half
Lateral resolution can be improved by:
,a. increasing gain
b. decreasing gain
c. focusing
d. smoothing - correct answer-focusing
(True or False) The digital scan converter has a number of
pixels assigned to each bit. - correct answer-false
The more bits per pixel:
a. the better the resolution
b. the higher the pixel density
c. the more shades of gray
d. higher reliability - correct answer-the more shades of gray
The more pixels per inch:
a. the better the temporal resolution
b. the better is the spatial resolution
c. the more shades of gray
d. the higher the reliability - correct answer-the better is the
spatial resolution
, Rectification and smoothing are components of which of the
following?
a. amplification
b. decompensation
c. reject
d. demodulation - correct answer-decompensation
What is the name of the receiver function that corrects for
attenuation? - correct answer-compensation
The process of reducing the difference between the smallest
and largest voltages is called ___. - correct answer-
compression
If the lines per frame is increased while the imaging depth is
unchanged then:
a. frame rate increases
b. number of shades of gray decreases
c. the frame rate decreases
d. this cannot happen - correct answer-the frame rate
decreases
ACTUAL QUESTIONS WITH
VERIFIED ANSWERS.
Which is not a part of a transducer?
a. active crystal
b. matching layer
c. A / D converter
d. wire - correct answer-A / D converter
What is the Fraunhofer?
a. focus
b. near zone
c. far zone
d. penetration depth - correct answer-far zone
If we increase the frequency, the near zone length is:
a. increased
b. decreased
c. unchanged - correct answer-increased
,If the transducer aperture increases, the lateral resolution at its
smallest dimension is:
a. increased
b. decreased
c. unchanged - correct answer-increased
If we increased the transducer diameter, the beam diameter in
the far zone is:
a. increased
b. decreased
c. unchanged - correct answer-decreased
At the focus, the beam diameter is ___ the transducer diameter.
a. equal to
b. half
c. double
d. one-fourth - correct answer-half
Lateral resolution can be improved by:
,a. increasing gain
b. decreasing gain
c. focusing
d. smoothing - correct answer-focusing
(True or False) The digital scan converter has a number of
pixels assigned to each bit. - correct answer-false
The more bits per pixel:
a. the better the resolution
b. the higher the pixel density
c. the more shades of gray
d. higher reliability - correct answer-the more shades of gray
The more pixels per inch:
a. the better the temporal resolution
b. the better is the spatial resolution
c. the more shades of gray
d. the higher the reliability - correct answer-the better is the
spatial resolution
, Rectification and smoothing are components of which of the
following?
a. amplification
b. decompensation
c. reject
d. demodulation - correct answer-decompensation
What is the name of the receiver function that corrects for
attenuation? - correct answer-compensation
The process of reducing the difference between the smallest
and largest voltages is called ___. - correct answer-
compression
If the lines per frame is increased while the imaging depth is
unchanged then:
a. frame rate increases
b. number of shades of gray decreases
c. the frame rate decreases
d. this cannot happen - correct answer-the frame rate
decreases
