ARDMS SPI REAL EXAM PRACTICE
QUESTIONS WITH CORRECT ANSWERS NEW
MODIFIED EXAM CURRENTLY TESTED AND
GUARANTEED PASS
Which of the following is used to control elevational resolution in a 2D transducer?
A) Bandwidth
B) Axial resolution
C) Lens
D) Beam former -- ANSWER--D) Beam former
The conversion of an incident pressure wave into an electrical signal is called: A)
Snell's law.
B) piezoelectric effect.
C) Huygen's principle.
D) Curie effect. -- ANSWER--B) piezoelectric effect.
Electronic focusing in transmit mode uses: A)
changeable lens. B) curved element.
C) time delays to excite transducer elements.
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,D) high pulse repetition frequency. -- ANSWER--C) time delays to excite transducer
elements.
Which transducer would you select for maximum penetration?
A) 3 MHz curvilinear
B) 4 MHz phased array
C) 8 MHz linear phased array
D) 10 MHz tightly curved array -- ANSWER--A) 3 MHz curvilinear
The transducer component responsible for the timing and order of the sequence is: A)
impedance matching layer.
B) beam former.
C) elevational resolution.
D) PZT. -- ANSWER--B) beam former.
When the direction of the wave propagation is parallel to the particle motion of the medium,
the wave being transmitted is called a: A) surface wave.
B) longitudinal wave.
C) transverse wave.
D) non-linear sound. -- ANSWER--B) longitudinal wave
If the sound beam attenuated 6 dB, what will happen to the overall intensity?
A) Quadrupled
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,B) Doubled
C) Halved
D) Quartered -- ANSWER--D) Quartered
A wide bandwidth and low-quality factor contribute to: A)
better penetration.
B) better focusing.
C) better axial resolution.
D) better frame rate. -- ANSWER--C) better axial resolution.
The transducer element becomes mechanical when: A) it
is used for mechanical focusing.
B) it is hit with electrical voltage and converts the energy into sound.
C) it never becomes mechanical.
D) it is cracked. -- ANSWER--B) it is hit with electrical voltage and converts the energy into
sound.
Quality factor will lower when: A)
bandwidth widens.
B) the beam former sets a delay.
C) there is a longer pulse.
D) phasing occurs. -- ANSWER--A) bandwidth widens.
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, Which transducer type will have the lowest density in the far field?
A) 4 MHz phased array
B) 3.5 MHz curvilinear array
C) 6 MHz endocavity array
D) 9 MHz linear array -- ANSWER--C) 6 MHz endocavity array
Which transducer uses time delays to electronically steer the beam?
A) Curved array
B) Annular
C) Linear sequential array
D) Phased array -- ANSWER--D) Phased array
Which feature of the transducer is manufactured to support better image axial resolution?
A) Element
B) Power cord
C) Lens
D) Backing material -- ANSWER--D) Backing material
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QUESTIONS WITH CORRECT ANSWERS NEW
MODIFIED EXAM CURRENTLY TESTED AND
GUARANTEED PASS
Which of the following is used to control elevational resolution in a 2D transducer?
A) Bandwidth
B) Axial resolution
C) Lens
D) Beam former -- ANSWER--D) Beam former
The conversion of an incident pressure wave into an electrical signal is called: A)
Snell's law.
B) piezoelectric effect.
C) Huygen's principle.
D) Curie effect. -- ANSWER--B) piezoelectric effect.
Electronic focusing in transmit mode uses: A)
changeable lens. B) curved element.
C) time delays to excite transducer elements.
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,D) high pulse repetition frequency. -- ANSWER--C) time delays to excite transducer
elements.
Which transducer would you select for maximum penetration?
A) 3 MHz curvilinear
B) 4 MHz phased array
C) 8 MHz linear phased array
D) 10 MHz tightly curved array -- ANSWER--A) 3 MHz curvilinear
The transducer component responsible for the timing and order of the sequence is: A)
impedance matching layer.
B) beam former.
C) elevational resolution.
D) PZT. -- ANSWER--B) beam former.
When the direction of the wave propagation is parallel to the particle motion of the medium,
the wave being transmitted is called a: A) surface wave.
B) longitudinal wave.
C) transverse wave.
D) non-linear sound. -- ANSWER--B) longitudinal wave
If the sound beam attenuated 6 dB, what will happen to the overall intensity?
A) Quadrupled
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,B) Doubled
C) Halved
D) Quartered -- ANSWER--D) Quartered
A wide bandwidth and low-quality factor contribute to: A)
better penetration.
B) better focusing.
C) better axial resolution.
D) better frame rate. -- ANSWER--C) better axial resolution.
The transducer element becomes mechanical when: A) it
is used for mechanical focusing.
B) it is hit with electrical voltage and converts the energy into sound.
C) it never becomes mechanical.
D) it is cracked. -- ANSWER--B) it is hit with electrical voltage and converts the energy into
sound.
Quality factor will lower when: A)
bandwidth widens.
B) the beam former sets a delay.
C) there is a longer pulse.
D) phasing occurs. -- ANSWER--A) bandwidth widens.
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, Which transducer type will have the lowest density in the far field?
A) 4 MHz phased array
B) 3.5 MHz curvilinear array
C) 6 MHz endocavity array
D) 9 MHz linear array -- ANSWER--C) 6 MHz endocavity array
Which transducer uses time delays to electronically steer the beam?
A) Curved array
B) Annular
C) Linear sequential array
D) Phased array -- ANSWER--D) Phased array
Which feature of the transducer is manufactured to support better image axial resolution?
A) Element
B) Power cord
C) Lens
D) Backing material -- ANSWER--D) Backing material
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