RCDD (TOPIC 15 - TOPIC 21) Exam | Questions
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Terms in this set (110)
What is the recommended distance A. 2.4 m (8 ft)
between ceiling mounted speakers
in a hallway with heavy traffic?
A. 2.4 m (8 ft)
B. 3.7 m (12 ft)
C. 4.9 m (16 ft)
D. 6 m (20 ft)
,A space has all hard surfaces C. Increase the volume to the existing speakers.
including architecture and
furnishings. The audio programming
produced from the distributed sound
system has become unintelligible.
Which of the following will NOT
mitigate the problem?
A. Add tapestries to the walls.
B. Provide additional speakers at
lower output.
C. Increase the volume to the
existing speakers.
D. Reduce the distance of the
existing speakers to the listener.
What are the three typical voltages B. 25, 70, and 100
used in centrally amplified paging
systems?
A. 24, 48, and 90
B. 25, 70, and 100
C. 25, 90, and 120
D. 48, 90, and 120
,Using the sound pressure level (SPL) C. 4 watts
method of approximating distance
and power, calculate the power
required to produce 89 dB at 4 m
(13.1 ft) with a loud speaker that is
rated at a SPL of 95 dB. What input
power level (in watts) is required to
appropriately power the speaker?
A. 1 watt
B. 2 watts
C. 4 watts
D. 8 watts
You are designing a paging system C. Twelve
for a 588 sq m (6325 sq ft) open
office space. Due to architectural
features of the ceiling, wall mounted
speakers must be used. Following
the general rule about wall mounted
speaker placement, how many
speakers should be installed?
A. Eight
B. Ten
C. Twelve
D. Fourteen
, What is the highest typical ambient C. 95 dB
noise level where audio paging
becomes unintelligible?
A. 75 dB
B. 85 dB
C. 95 dB
D. 105 dB
What element is typically NOT part A. Strobe
of a paging system?
A. Strobe
B. Distribution
C. Amplification
D. Loudspeakers
You are designing a four story retail D. Sound reinforcement and playback
mall and multiple sound systems
within it. Which system should you
design to support general music
programming within common retail
areas?
A. Distributed paging
B. Life safety
C. Sound masking
D. Sound reinforcement and
playback
with 100% Correct Answers | Verified | Latest
Update 2026
Save
Terms in this set (110)
What is the recommended distance A. 2.4 m (8 ft)
between ceiling mounted speakers
in a hallway with heavy traffic?
A. 2.4 m (8 ft)
B. 3.7 m (12 ft)
C. 4.9 m (16 ft)
D. 6 m (20 ft)
,A space has all hard surfaces C. Increase the volume to the existing speakers.
including architecture and
furnishings. The audio programming
produced from the distributed sound
system has become unintelligible.
Which of the following will NOT
mitigate the problem?
A. Add tapestries to the walls.
B. Provide additional speakers at
lower output.
C. Increase the volume to the
existing speakers.
D. Reduce the distance of the
existing speakers to the listener.
What are the three typical voltages B. 25, 70, and 100
used in centrally amplified paging
systems?
A. 24, 48, and 90
B. 25, 70, and 100
C. 25, 90, and 120
D. 48, 90, and 120
,Using the sound pressure level (SPL) C. 4 watts
method of approximating distance
and power, calculate the power
required to produce 89 dB at 4 m
(13.1 ft) with a loud speaker that is
rated at a SPL of 95 dB. What input
power level (in watts) is required to
appropriately power the speaker?
A. 1 watt
B. 2 watts
C. 4 watts
D. 8 watts
You are designing a paging system C. Twelve
for a 588 sq m (6325 sq ft) open
office space. Due to architectural
features of the ceiling, wall mounted
speakers must be used. Following
the general rule about wall mounted
speaker placement, how many
speakers should be installed?
A. Eight
B. Ten
C. Twelve
D. Fourteen
, What is the highest typical ambient C. 95 dB
noise level where audio paging
becomes unintelligible?
A. 75 dB
B. 85 dB
C. 95 dB
D. 105 dB
What element is typically NOT part A. Strobe
of a paging system?
A. Strobe
B. Distribution
C. Amplification
D. Loudspeakers
You are designing a four story retail D. Sound reinforcement and playback
mall and multiple sound systems
within it. Which system should you
design to support general music
programming within common retail
areas?
A. Distributed paging
B. Life safety
C. Sound masking
D. Sound reinforcement and
playback
