Fire alarm Final
------ were developed to protect large open areas?
a. Air-sampling smoke detectors
b. Projected beam smoke detectors
c. Single-station smoke alarms
d. spot-type smoke detectors - ANS-b. Projected beam smoke detectors
? is an example of an emergency control function that may be controlled by
a. fire alarm system.
b. Door locking
c. elevator recall or shutdown
d Fire pump starting - ANS-c. elevator recall or shutdown
0-foot x 20-foot room with a 30-foot high ceiling requires a minimum ? ceilingmounted strobe
a. 30 cd
b. 55 cd
c. 75 cd
d. 110 cd - ANS-b. 55 cd
A ? system usually requires the actuation of ? detector(s) to open the charging valve, which
floods the sprinkler piping in the protected space.
a. deluge / 4
b. dry-pipe sprinkler / 3
c. pre-action / 2
d. wet-pipe sprinkler / 1 - ANS-c.pre-action/2
A fire alarm control unit performs which of the following functions?
a. Provides graphical user interface
b. provides monitoring of circuits
c. Provides power to initiating devices
d. All of the above - ANS-d. All of the above
A room that has an average ambient sound pressure level of 62 dBA and a maximum sound
pressure level lasting more than a minute at 68 dBA must have a public mode signal that is
at least ?
a. 73 dBA
b. 75 dBA
c. 77 dBA
d. 79 dBA - ANS-c. 77 dBA
A room that is 40 feet by 65 feet with a 10-foot-high joisted ceiling will be protected with heat
detection. The joists are 12 inches deep and run in the 40-foot direction. The engineer
specified heat detectors with a 50-foot listed spacing. How many heat detectors are required
for this room?
a. 6
b. 8
c. 10
,d. 12 - ANS-b. 8
A room that is 45 feet by 65 feet, with a 19-foot-high smooth ceiling will be protected with
heat detection. The engineer specified heat detectors with a 30-foot listed spacing. How
many heat detectors are required for this room?
a. 6
b. 8
c. 10
d. 12 - ANS-b.8
A rule of thumb for sound attenuation in an open area is that each time the distance from the
appliance is doubled, the signal loses ?
a. 3 dB
b. 4 dB
c. 5 dB
d. 6 dB - ANS-d. 6 dB
A sleeping room with an ambient SPL of 45 decibels A-weighted (dBA) must have ? at the
pillow
a. 55 dBA
b. 60 dBA
c. 70 dBA
d. 75 dBA - ANS-d. 75 dBA
A smoke detector is required in each beam pocket where the beam depths are greater than
? of ceiling height and the width between beams is equal to or greater than ? of the ceiling
height
a. 10%/10%
b. 10% / 40%
c. 40%/ 10%
d. 40%/ 40% - ANS-c. 40%/ 10%
A smoke detector that has a laser particle counter is best suited for ? .
a. attics
b. clean rooms
c. garages
d. kitchens - ANS-a. attics
A speaker tapped at its highest setting is likely to suffer from which of the following?
a. Distortion
b. Low SPL
c. Overheating
d. Trouble signals - ANS-a. Distortion
A visible notification appliance (strobe) that is only listed for wall mounting can be used on a
ceiling
- true
-false - ANS-false
A(n) ? usually provides signal information in a floor plan format
A. graphic annunciator
b. LCD display
c. NAC
d. riser drawing - ANS-A. graphic annunciator
According to NFPA 72, a 20-foot x 20-foot room or area is best covered by a ? visible
notification appliance, centered on one wall
, a. 15 cd
b. 30 cd
c. 60 cd
d.75 cd - ANS-a. 15 cd
According to NFPA 72, the lenses of visible notification appliances must be mounted ?
above the finished floor
a. 80-86"
b. 80-90"
c. 80-96"
d. 90-96" - ANS-c. 80-96"
Air-sampling smoke detectors were developed in ? .
a. Australia
b. New Zealand
c. the United Kingdom
d. the United States - ANS-a. Australia
Alarm signals are indicative of a(n) ? .
a. fire or other life-threatening emergency
b. ground fault
c. loss of AC power
d. open circuit - ANS-a. fire or other life-threatening emergency
All devices on signaling line circuits have unique addresses?
- true
- false - ANS-true
An addressable fire alarm system control unit monitors the status of initiating devices?
a. by periodically polling the device
b. by turning the initiating device ON and OFF
c. through alarm verification
d. through small supervision current through an end-of-line device - ANS-a. by periodically
polling the device
An emergency communications system (ECS) can be used to warn occupants of a ? .
a. fire
b. terrorist attack
c. tornado
d. all of the above - ANS-d. all of the above
An in-building fire emergency voice/alarm communications system is usually found in a ?
a. dwelling b. high-rise building c. small office building d. warehouse - ANS-B. high rise
building
Annex A of NFPA 72 is enforceable as Code and is mandatory?
a. True
b. false - ANS-False
Audible notification appliances must be mounted ? above the finished floor and not less than
? from the ceiling?
a. 80"/ 4"
b. 80"/6"
c. 90"/4"
d. 90"/6" - ANS-d. 90"/6"
Both audible and visible appliances can be wired on the same circuit.
- true
------ were developed to protect large open areas?
a. Air-sampling smoke detectors
b. Projected beam smoke detectors
c. Single-station smoke alarms
d. spot-type smoke detectors - ANS-b. Projected beam smoke detectors
? is an example of an emergency control function that may be controlled by
a. fire alarm system.
b. Door locking
c. elevator recall or shutdown
d Fire pump starting - ANS-c. elevator recall or shutdown
0-foot x 20-foot room with a 30-foot high ceiling requires a minimum ? ceilingmounted strobe
a. 30 cd
b. 55 cd
c. 75 cd
d. 110 cd - ANS-b. 55 cd
A ? system usually requires the actuation of ? detector(s) to open the charging valve, which
floods the sprinkler piping in the protected space.
a. deluge / 4
b. dry-pipe sprinkler / 3
c. pre-action / 2
d. wet-pipe sprinkler / 1 - ANS-c.pre-action/2
A fire alarm control unit performs which of the following functions?
a. Provides graphical user interface
b. provides monitoring of circuits
c. Provides power to initiating devices
d. All of the above - ANS-d. All of the above
A room that has an average ambient sound pressure level of 62 dBA and a maximum sound
pressure level lasting more than a minute at 68 dBA must have a public mode signal that is
at least ?
a. 73 dBA
b. 75 dBA
c. 77 dBA
d. 79 dBA - ANS-c. 77 dBA
A room that is 40 feet by 65 feet with a 10-foot-high joisted ceiling will be protected with heat
detection. The joists are 12 inches deep and run in the 40-foot direction. The engineer
specified heat detectors with a 50-foot listed spacing. How many heat detectors are required
for this room?
a. 6
b. 8
c. 10
,d. 12 - ANS-b. 8
A room that is 45 feet by 65 feet, with a 19-foot-high smooth ceiling will be protected with
heat detection. The engineer specified heat detectors with a 30-foot listed spacing. How
many heat detectors are required for this room?
a. 6
b. 8
c. 10
d. 12 - ANS-b.8
A rule of thumb for sound attenuation in an open area is that each time the distance from the
appliance is doubled, the signal loses ?
a. 3 dB
b. 4 dB
c. 5 dB
d. 6 dB - ANS-d. 6 dB
A sleeping room with an ambient SPL of 45 decibels A-weighted (dBA) must have ? at the
pillow
a. 55 dBA
b. 60 dBA
c. 70 dBA
d. 75 dBA - ANS-d. 75 dBA
A smoke detector is required in each beam pocket where the beam depths are greater than
? of ceiling height and the width between beams is equal to or greater than ? of the ceiling
height
a. 10%/10%
b. 10% / 40%
c. 40%/ 10%
d. 40%/ 40% - ANS-c. 40%/ 10%
A smoke detector that has a laser particle counter is best suited for ? .
a. attics
b. clean rooms
c. garages
d. kitchens - ANS-a. attics
A speaker tapped at its highest setting is likely to suffer from which of the following?
a. Distortion
b. Low SPL
c. Overheating
d. Trouble signals - ANS-a. Distortion
A visible notification appliance (strobe) that is only listed for wall mounting can be used on a
ceiling
- true
-false - ANS-false
A(n) ? usually provides signal information in a floor plan format
A. graphic annunciator
b. LCD display
c. NAC
d. riser drawing - ANS-A. graphic annunciator
According to NFPA 72, a 20-foot x 20-foot room or area is best covered by a ? visible
notification appliance, centered on one wall
, a. 15 cd
b. 30 cd
c. 60 cd
d.75 cd - ANS-a. 15 cd
According to NFPA 72, the lenses of visible notification appliances must be mounted ?
above the finished floor
a. 80-86"
b. 80-90"
c. 80-96"
d. 90-96" - ANS-c. 80-96"
Air-sampling smoke detectors were developed in ? .
a. Australia
b. New Zealand
c. the United Kingdom
d. the United States - ANS-a. Australia
Alarm signals are indicative of a(n) ? .
a. fire or other life-threatening emergency
b. ground fault
c. loss of AC power
d. open circuit - ANS-a. fire or other life-threatening emergency
All devices on signaling line circuits have unique addresses?
- true
- false - ANS-true
An addressable fire alarm system control unit monitors the status of initiating devices?
a. by periodically polling the device
b. by turning the initiating device ON and OFF
c. through alarm verification
d. through small supervision current through an end-of-line device - ANS-a. by periodically
polling the device
An emergency communications system (ECS) can be used to warn occupants of a ? .
a. fire
b. terrorist attack
c. tornado
d. all of the above - ANS-d. all of the above
An in-building fire emergency voice/alarm communications system is usually found in a ?
a. dwelling b. high-rise building c. small office building d. warehouse - ANS-B. high rise
building
Annex A of NFPA 72 is enforceable as Code and is mandatory?
a. True
b. false - ANS-False
Audible notification appliances must be mounted ? above the finished floor and not less than
? from the ceiling?
a. 80"/ 4"
b. 80"/6"
c. 90"/4"
d. 90"/6" - ANS-d. 90"/6"
Both audible and visible appliances can be wired on the same circuit.
- true
