CTS EXAM 3 2026 AUDIO VISUAL SYSTEMS
AND INTEGRATION ASSESSMENT STUDY GUIDE
COMPLETE QUESTIONS AND ANSWERS
◉ _____ is not a necessary specification for a microphone. Answer:
Input impedance
◉ A -58 dBu would be a typical signal level for a(n) _____. Answer:
microphone
◉ Select all of the true statements about this image: (2kHz cardiod
polar plot) Answer: The above shows a polar plot of a cardioid
microphone; The response of this microphone at 2kHz is best on
axis at 0 degrees.
◉ Direct coupled sound systems are best for program audio because
of their _________. Answer: Higher fidelity
◉ A polar plot shows a loudspeaker's ____. Answer: coverage angle
◉ Polar plot diagrams are used for which purpose? Answer:
Identifying a device's directionality at a given frequency
,◉ The polar plot below shows a loudspeaker's coverage pattern at 4
kHz. What is this loudpspeaker's coverage angle? Answer: 60
degrees
◉ An increase in voltage means an increase in _____. Answer:
resistance, if the current remains the same
◉ The ____ in an electrical circuit is proportional to the applied ____.
Answer: current; voltage
◉ As impedance increases and current remains constant, voltage
_____. Answer: increases
◉ If the measured voltage in a circuit is 40 V, and the resistance is 8
ohms, what is the current? Answer: 5A
◉ The relationship between current and ____ is inversely
proportional. Answer: resistance
◉ Resistance ____ the flow of current. Answer: reduces
◉ If the measured current in a circuit is 5 A and the resistance is 8
ohms, what is the voltage? Answer: 40
,◉ If the measured current is 10 A and the voltage is 120 V, what is
the resistance in the circuit? Answer: 12 Ohms
◉ The current in a circuit is 0.5 A, and the voltage is measured at 9 V.
What is the power? Answer: 4.5 W
◉ The current in a circuit is measured at 1 A, and the resistance is 1
ohm. What is the voltage? Answer: 1 V
◉ There are eight loudspeakers wired in parallel and each
loudspeaker's impedance is 16 ohms. The impedance of the circuit is
_____ ohms. Answer: 2 ohms
◉ There are four loudspeakers wired in parallel. Two of the
loudspeakers each have an impedance of 8 ohms. Two of the
loudspeakers each have an impedance of 16 ohms. Calculate the
impedance of this parallel circuit. Answer: 2.7 ohms
◉ Which of the following is a polar plot diagram? Answer: Polar plot
picture
◉ Determine the wattage in a circuit measuring 120 volts with 15
amperes of current flow. Answer: 1800 W
, ◉ The relationship among voltage, current, and resistance is defined
by the formula_____. Answer: I = V/R
◉ If the measured power in a circuit is 5W, and the current is 1.5
amps, what is the voltage? Answer: 3.3 V
◉ Your room design can accommodate a screen with a width of up to
80 inches wide. The screen height is reasonably unrestrained. Your
client's video image source produces a 1920 x 1080 resolution.
Which of the following screens could be a viable option in this
scenario? Choose all that apply. Answer: A screen with an image
width of 80 inches and a height of 45 inches; A screen with an image
width of 40 inches and a height of 22.5 inches
◉ What is the aspect ratio of a screen with a width of 108 inches
(2743 mm) and a diagonal of 135 inches (3429)? Answer:
135:101.25
◉ You require a 16:9 screen with a height of 60 inches (1524 mm).
What will the screen's diagonal be? Answer: 122.4
◉ A 16:9 screen will be installed in a lecture hall. The screen's
diagonal is 72 inches (1829 mm). What is its width? Answer: 59.5
AND INTEGRATION ASSESSMENT STUDY GUIDE
COMPLETE QUESTIONS AND ANSWERS
◉ _____ is not a necessary specification for a microphone. Answer:
Input impedance
◉ A -58 dBu would be a typical signal level for a(n) _____. Answer:
microphone
◉ Select all of the true statements about this image: (2kHz cardiod
polar plot) Answer: The above shows a polar plot of a cardioid
microphone; The response of this microphone at 2kHz is best on
axis at 0 degrees.
◉ Direct coupled sound systems are best for program audio because
of their _________. Answer: Higher fidelity
◉ A polar plot shows a loudspeaker's ____. Answer: coverage angle
◉ Polar plot diagrams are used for which purpose? Answer:
Identifying a device's directionality at a given frequency
,◉ The polar plot below shows a loudspeaker's coverage pattern at 4
kHz. What is this loudpspeaker's coverage angle? Answer: 60
degrees
◉ An increase in voltage means an increase in _____. Answer:
resistance, if the current remains the same
◉ The ____ in an electrical circuit is proportional to the applied ____.
Answer: current; voltage
◉ As impedance increases and current remains constant, voltage
_____. Answer: increases
◉ If the measured voltage in a circuit is 40 V, and the resistance is 8
ohms, what is the current? Answer: 5A
◉ The relationship between current and ____ is inversely
proportional. Answer: resistance
◉ Resistance ____ the flow of current. Answer: reduces
◉ If the measured current in a circuit is 5 A and the resistance is 8
ohms, what is the voltage? Answer: 40
,◉ If the measured current is 10 A and the voltage is 120 V, what is
the resistance in the circuit? Answer: 12 Ohms
◉ The current in a circuit is 0.5 A, and the voltage is measured at 9 V.
What is the power? Answer: 4.5 W
◉ The current in a circuit is measured at 1 A, and the resistance is 1
ohm. What is the voltage? Answer: 1 V
◉ There are eight loudspeakers wired in parallel and each
loudspeaker's impedance is 16 ohms. The impedance of the circuit is
_____ ohms. Answer: 2 ohms
◉ There are four loudspeakers wired in parallel. Two of the
loudspeakers each have an impedance of 8 ohms. Two of the
loudspeakers each have an impedance of 16 ohms. Calculate the
impedance of this parallel circuit. Answer: 2.7 ohms
◉ Which of the following is a polar plot diagram? Answer: Polar plot
picture
◉ Determine the wattage in a circuit measuring 120 volts with 15
amperes of current flow. Answer: 1800 W
, ◉ The relationship among voltage, current, and resistance is defined
by the formula_____. Answer: I = V/R
◉ If the measured power in a circuit is 5W, and the current is 1.5
amps, what is the voltage? Answer: 3.3 V
◉ Your room design can accommodate a screen with a width of up to
80 inches wide. The screen height is reasonably unrestrained. Your
client's video image source produces a 1920 x 1080 resolution.
Which of the following screens could be a viable option in this
scenario? Choose all that apply. Answer: A screen with an image
width of 80 inches and a height of 45 inches; A screen with an image
width of 40 inches and a height of 22.5 inches
◉ What is the aspect ratio of a screen with a width of 108 inches
(2743 mm) and a diagonal of 135 inches (3429)? Answer:
135:101.25
◉ You require a 16:9 screen with a height of 60 inches (1524 mm).
What will the screen's diagonal be? Answer: 122.4
◉ A 16:9 screen will be installed in a lecture hall. The screen's
diagonal is 72 inches (1829 mm). What is its width? Answer: 59.5
