CTS Exam Questions and Answers well Explained Latest 2024/2025 Update 100% Correct.
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CTS
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CTS
In a dynamic microphone, there is a(n) _____ attached to a diaphragm and placed in a permanent
magnetic field. - coil of wire
"Weighting" a sound pressure level measurement accounts for differences in the way _____. -
humans perceive different frequencies at a given listening level
Which type o...
CTS Exam
In a dynamic microphone, there is a(n) _____ attached to a diaphragm and placed in a permanent
magnetic field. - coil of wire
"Weighting" a sound pressure level measurement accounts for differences in the way _____. -
humans perceive different frequencies at a given listening level
Which type of front screen has a smooth non-gloss surface similar to a white sheet, provides good color
rendition, and evenly disperses light? - Matte
What type of connection is pictured below? (wire under screw) - direct connection
What type of chart is displayed below? (activity/year/budget/actual) - gantt chart
This type of audio system reinforces or amplifies a presenter's voice so that they'll be heard over a larger
audience. - Speech Reinforcement System
0 dB SPL describes: - the threshold of human hearing
What is a decibel? - a logarithmic scale used to describe ratios with a large range of values
An audio amplifier outputs 75 watts and then it is decreased to 50 watts. What is the change in decibels?
- Negative -1.8 dB
How loud (in decibels) does a 60 Hz sound have to be for it to be audible? - 40 dB
According to the equal loudness curve chart below, how loud does a 20 Hz sound have to be before it is
audible? - 70 dB
You measure the background noise level in a conference room at 40 dB SPL A-wtd. What is the target
sound pressure level of the audio system? - 65
,A sound wave must be transduced into _____ before it can be transmitted through the audio signal path
- electrical energy
Modern RF wireless microphones allow the user to _____ frequencies to avoid interference. -
change
The simultaneous use of multiple wireless microphone systems requires ____. - using lavalier
microphones
Operation of a condenser microphone requires ____ power. - phantom
Phantom power is the _____ required to power a condenser microphone. - remote power
Which of the following best describes an electret, when used in a microphone? - Prepolarized
material
_____ is not a necessary specification for a microphone. - Input impedance
A -58 dBu would be a typical signal level for a(n) _____. - microphone
Select all of the true statements about this image: (2kHz cardiod polar plot) - 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 _________. - Higher
fidelity
A polar plot shows a loudspeaker's ____. - coverage angle
,Polar plot diagrams are used for which purpose? - 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? - 60 degrees
An increase in voltage means an increase in _____. - resistance, if the current remains the same
The ____ in an electrical circuit is proportional to the applied ____. - current; voltage
As impedance increases and current remains constant, voltage _____. - increases
If the measured voltage in a circuit is 40 V, and the resistance is 8 ohms, what is the current? - 5A
The relationship between current and ____ is inversely proportional. - resistance
Resistance ____ the flow of current. - reduces
If the measured current in a circuit is 5 A and the resistance is 8 ohms, what is the voltage? - 40
If the measured current is 10 A and the voltage is 120 V, what is the resistance in the circuit? - 12
Ohms
The current in a circuit is 0.5 A, and the voltage is measured at 9 V. What is the power? - 4.5 W
The current in a circuit is measured at 1 A, and the resistance is 1 ohm. What is the voltage? - 1V
There are eight loudspeakers wired in parallel and each loudspeaker's impedance is 16 ohms. The
impedance of the circuit is _____ ohms. - 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. - 2.7 ohms
Which of the following is a polar plot diagram? - Polar plot picture
Determine the wattage in a circuit measuring 120 volts with 15 amperes of current flow. - 1800 W
The relationship among voltage, current, and resistance is defined by the formula_____. - I = V/R
If the measured power in a circuit is 5W, and the current is 1.5 amps, what is the voltage? - 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. - 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)? - 135:101.25
You require a 16:9 screen with a height of 60 inches (1524 mm). What will the screen's diagonal be? -
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? - 59.5
A screen's dimensions are 96 inches (2438 mm) x 96 inches (2438 mm). What width does an image on
that screen need to be for a 16:9 aspect ratio image? - 96 inches (2438 mm)
What viewing category applies to a space used for technical drawings? - ADM
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