RCDD TEST QUESTIONS (TOPIC 15 - TOPIC 21)
Questions And Answers Verified by Experts
What is the highest typical ambient noise level where audio paging becomes unintelligible?
A. 75 dB
B. 85 dB
C. 95 dB
D. 105 dB C. 95 dB
What element is typically NOT part of a paging system?
A. Strobe
B. Distribution
C. Amplification
D. Loudspeakers A. Strobe
You are designing a four story retail 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 D. Sound reinforcement and playback
A properly designed distributed paging system will provide a sound pressure level (SPL) for
audio paging that is between ________ above ambient noise level.
, RCDD TEST QUESTIONS (TOPIC 15 - TOPIC 21)
Questions And Answers Verified by Experts
A. 3 dB and 6 dB
B. 6 dB and 10 dB
C. 10 dB and 20 dB
D. 20 dB and 55 dB C. 10 dB and 20 dB
In a hallway with normal traffic, ceiling mounted speakers should be placed ________ times the
corridor height, minus the ________.
A. Two; average height of listener's ear
B. Two; width of corridor
C. Three; average height of listener's ear
D. Three width of corridor A. Two; average height of listener's ear
You are designing a restaurant located within a retail mall. The ambient noise level of the
restaurant is 70 dB. The ambient noise level of the mall common space is 75 dB. What is the
MINIMUM sound pressure level (SPL) that should be used when designing the paging system
within the restaurant?
A. 70 dB
B. 75 dB
C. 80 dB
D. 85 dB C. 80 dB
For design purposes, loudspeakers are rated for a measured sound pressure level (SPL) at:
, RCDD TEST QUESTIONS (TOPIC 15 - TOPIC 21)
Questions And Answers Verified by Experts
A. 1 m (3.3 ft) from the loudspeaker with 1 watt of power input
B. 1 m (3.3 ft) from the loudspeaker with 2 watts of power input
C. 3 m (10 ft) from the loudspeaker with 1 watt of power input
D. 3 m (10 ft) from the loudspeaker with 2 watts of power input A. 1 m (3.3 ft) from the
loudspeaker with 1 watt of power input
Within a commercial office building of 2300 sq m (25000 sq ft), how many building automation
system (BAS) devices are required?
A. 50
B. 75
C. 100
D. 125
E. 150 C. 100
Which of the following protocols is referred to under ISO 16484-5?
A. BACnet
B. ARCnet
C. European installation bus
D. EMSLan
E. LonMark A. BACnet
What type of facility requires a building automation system (BAS) device to be located every 5
sq m (50 sq ft)?
, RCDD TEST QUESTIONS (TOPIC 15 - TOPIC 21)
Questions And Answers Verified by Experts
A. Hotel guest room
B. Education classroom
C. Hospital
D. Mechanical room
E. Factory D. Mechanical room
What is the expected lumenance value, in watts, of a 200 watt fluorescent lamp after three years?
A. 120 watts
B. 140 watts
C. 160 watts
D. 180 watts
E. 200 watts B. 140 watts
What is the expected life cycle, in years, of building automation system within a building
structure with a life cycle of 40+ years?
A. 1 to 2
B. 2 to 4
C. 5 to 7
D. 8 to 12
E. 12 to 15 C. 5 to 7
Within a heating ventilation and air conditioning automatic control system, what do the letters
DDC stand for?
Questions And Answers Verified by Experts
What is the highest typical ambient noise level where audio paging becomes unintelligible?
A. 75 dB
B. 85 dB
C. 95 dB
D. 105 dB C. 95 dB
What element is typically NOT part of a paging system?
A. Strobe
B. Distribution
C. Amplification
D. Loudspeakers A. Strobe
You are designing a four story retail 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 D. Sound reinforcement and playback
A properly designed distributed paging system will provide a sound pressure level (SPL) for
audio paging that is between ________ above ambient noise level.
, RCDD TEST QUESTIONS (TOPIC 15 - TOPIC 21)
Questions And Answers Verified by Experts
A. 3 dB and 6 dB
B. 6 dB and 10 dB
C. 10 dB and 20 dB
D. 20 dB and 55 dB C. 10 dB and 20 dB
In a hallway with normal traffic, ceiling mounted speakers should be placed ________ times the
corridor height, minus the ________.
A. Two; average height of listener's ear
B. Two; width of corridor
C. Three; average height of listener's ear
D. Three width of corridor A. Two; average height of listener's ear
You are designing a restaurant located within a retail mall. The ambient noise level of the
restaurant is 70 dB. The ambient noise level of the mall common space is 75 dB. What is the
MINIMUM sound pressure level (SPL) that should be used when designing the paging system
within the restaurant?
A. 70 dB
B. 75 dB
C. 80 dB
D. 85 dB C. 80 dB
For design purposes, loudspeakers are rated for a measured sound pressure level (SPL) at:
, RCDD TEST QUESTIONS (TOPIC 15 - TOPIC 21)
Questions And Answers Verified by Experts
A. 1 m (3.3 ft) from the loudspeaker with 1 watt of power input
B. 1 m (3.3 ft) from the loudspeaker with 2 watts of power input
C. 3 m (10 ft) from the loudspeaker with 1 watt of power input
D. 3 m (10 ft) from the loudspeaker with 2 watts of power input A. 1 m (3.3 ft) from the
loudspeaker with 1 watt of power input
Within a commercial office building of 2300 sq m (25000 sq ft), how many building automation
system (BAS) devices are required?
A. 50
B. 75
C. 100
D. 125
E. 150 C. 100
Which of the following protocols is referred to under ISO 16484-5?
A. BACnet
B. ARCnet
C. European installation bus
D. EMSLan
E. LonMark A. BACnet
What type of facility requires a building automation system (BAS) device to be located every 5
sq m (50 sq ft)?
, RCDD TEST QUESTIONS (TOPIC 15 - TOPIC 21)
Questions And Answers Verified by Experts
A. Hotel guest room
B. Education classroom
C. Hospital
D. Mechanical room
E. Factory D. Mechanical room
What is the expected lumenance value, in watts, of a 200 watt fluorescent lamp after three years?
A. 120 watts
B. 140 watts
C. 160 watts
D. 180 watts
E. 200 watts B. 140 watts
What is the expected life cycle, in years, of building automation system within a building
structure with a life cycle of 40+ years?
A. 1 to 2
B. 2 to 4
C. 5 to 7
D. 8 to 12
E. 12 to 15 C. 5 to 7
Within a heating ventilation and air conditioning automatic control system, what do the letters
DDC stand for?
