Fire Alarm
Rate-of-rise heat detectors usually operate when the temperature rise is ? per minute.
. 12-15°
Visible appliances in sleeping areas must be within ? of the pillow.
. 16'
Which circuits not required to be monitored for integrity?
. Class E
Ionization-type smoke detectors are best suited to detect smoke particles having a size ? in diameter.
. less than one micron
The minimum required sound pressure level (SPL) for private mode signaling is ? above the average ambient or five dB above the maximum SPL lasting a minute or more, using the A-weighted scale (dBA).
10 dBA
Pressure supervisory switches must indicate ? from nominal pressure.
10 psi
Concealed fire detectors more than ? above the finished floor must have a remote indicator.
10'
The maximum spacing of visible appliances used in a corridor is ? .
100'
Visible notification appliances are required when the ambient sound pressure level (SPL) is greater than ? .
105 dBA
A firestopping classification having a minimum F rating of ? must be used on a two-hour rated firewall to resist the passage of flames.
120
The minimum required sound pressure level (SPL) for public mode signaling is the greater of ? above the average ambient or five dB above the maximum SPL lasting a minute or more, using the A-weighted scale (dBA).
15 dB
Corridor visible notification appliances must be installed a maximum of ? from each end of the corridor.
15'
Valve supervisory initiating devices must initiate a supervisory signal within ? revolution(s) of the hand wheel, or ? of the travel distance of the valve.
2 / 1/5
Wiring between enclosures is not required to be monitored for integrity if the enclosures are less than ? apart and the wiring is ? .
20' / installed in conduit
Upon detection of a trouble condition, fire alarm system controls must initiate a trouble signal within ? .
200 seconds
Heat detectors should be selected to operate at least ? above the maximum expected ambient temperature in the protected space.
20°F
Secondary power supplies must supply power to an in-building fire emergency voice/alarm communications fire alarm system for a minimum of ? .
24 hours of standby followed by 15 minutes of alarm
secondary power supplies must supply power to protected-premises fire alarm systems for a minimum of ? .
24 hours of standby followed by 5 minutes of alarm
NFPA 72 does not permit smoke detector spacing to exceed a nominal ? on smooth and level ceilings.
30'
The Code requires the maximum normal operating temperature limits for most fire alarm equipment to be between ? .
32°F and 120°F
Where an engine-driven generator is used to provide secondary power, a minimum of ? hours of batteries are required.
4
Ceiling-mounted spot-type heat detectors are installed so that the edge of the detector is at least ? from the wall.
4"
Wall-mounted spot-type heat detectors are installed so that the top of the detector is ? from the ceiling.
4-12"
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 ? .
6 dB
Non-power-limited circuits operate with voltages up to ?
600 V
Heat detectors located on a smooth ceiling that is 19 feet in height must be reduced by ? of their listed spacing.
64%
Where non-power-limited wiring is installed exposed, it must be mechanically protected within ? of the finished floor.
7'
According to NFPA 72, the lenses of visible notification appliances for non-sleeping areas must be mounted ? above the finished floor.
80-96"
Combination audible/visible notification appliances must be mounted so the entire lens is ? above the finished floor.
80-96"
Waterflow switches are permitted to have a time delay, or retard, up to ?
90 seconds
Audible notification appliances must be mounted ? above the finished floor and not less than ? from the ceiling.
90" / 6"
Sound pressure level (SPL) is always measured using the ? scale.
A-weighted
Indicates a life threatening (emergency) condition
Alarm
Fire alarm systems produce which of the following signals?
Alarm Supervisory Trouble
Ionization-type smoke detectors use ? as a means of detecting smoke particles.
Americium 241
the following are an examples of an installer who is "qualified and experienced," under the requirements of NFPA 72?
Certified by state or local authority IMSA certified NICET certified
Power-limited circuits may be wired using ? .
Chapter 3 wiring methods non-power-limited wiring methods power-limited wiring methods
Only requires a redundant pathway from the last device to the fire alarm controls is what class of wire?
Class A
Fail safe capability is what class of wire?
Class D
Which circuit class is considered as "fail-safe"?
Class D
Not monitored for integrity is what class of wire?
Class E
Ethernet/Network Circuit is what class of wire?
Class N
Requires a redundant pathway and must operate beyond an open, short circuit, and ground fault is what class of wire?
Class X
Which of the following are the three primary fire protection elements for providing fire protection in a building?
Containment Detection Suppression
Some fire codes may now require the use of ? instead of firefighters' telephones (In-Building, Wired Two-Way Communications Systems).
DAS(
What are considered emergency safety control function?
Door unlocking Incorrect Elevator recall Incorrect Elevator shutdown
Which of the following is considered an authority having jurisdiction for fire alarm systems?
Electrical inspector Fire marshal Insurance interest
What cable type is suitable for two hours of direct attack by fire?
FPLP-CI
what are the types of notification appliances are frequently used to alert occupants?
Horns Speakers Strobes
What are considered as primary functions of a fire alarm system?
I. Actuation of emergency control functions II. Building system management III. Early detection of fires IV. Notification of the fire department V. Occupant notification
Conventional Zone Type Circuit
IDC
Which of the following types of circuits will require an EOL?
IDC
survivability level No required protection
Level 0
survivability level. Conductors in metal raceways and fully sprinklered building, per NFPA 13
Level 1
survivability level. Two-hour protection of circuits
Level 2
Which system is used to alert and inform occupants of a premises, campus, or community?
MNS(Mass notification System
Output Circuit
NAC
Which are types of fire alarm circuits?
NAC, IDC, SLC
The safety system in the U.S. is comprised of which of the following?
Product standards, codes, standards, and enforcement
What type of detection was developed to protect large open areas?
Projected beam smoke detectors
Which type of smoke detector works best in large open areas?
Projected beam-type
A fire alarm control unit performs which of the following functions?
Provides graphical user interface Incorrect Provides monitoring of circuits Incorrect Provides power to initiating devices Incorrect
What devices is used to directly detect flames?
Radiant energy-sensing fire detector
Which documentation must be provided to the authority having jurisdiction at the completion of a fire alarm installation?
Record of completion
Addressable Type Circuit
SLC
Which circuit type is addressable?
SLC
Duct smoke detectors are sometimes permitted to cause a(n) ? signal in place of an alarm signal.
Supervisory
Indicates an impaired or off-normal suppression system
Supervisory
May indicate actuation of a duct smoke detector
Supervisory
Indicates a fault on wiring, power supply of communications
Trouble
Which of the following documents can assist in determining if an assembly is two-hour rated?
UL Fire Resistance Directory
Which type of sprinkler is most commonly used to protect buildings?
Wet-pipe sprinklers
Initiating device circuits and notification appliance circuits monitor for integrity by ? .
a small current through the circuit
Conductors returning to the control unit from the last field device on the circuit might indicate a ? .
a. Class A circuit
Specifications are an opportunity for the designer to ?
add requirements for site-specific fire protection goals Incorrect add requirements for the type of equipment used Incorrect add requirements of the owner
Notification appliances commonly use a(n) ? to prevent monitoring current to pass through the notification appliance circuitry.
blocking diode
An addressable fire alarm system control unit monitors the status of initiating devices ? .
by periodically polling the device
A smoke detector that has a laser particle counter is best suited for ? .
clean rooms
Total coverage is ? . Select one:
defined by NFPA 72 but required by building codes
A cable tray is considered as a ? penetration.
dynamic
Computer rooms are sometimes protected by ? .
gaseous suppression systems
A(n) ? usually provides signal information in a floor plan format
graphic annunciator
Fusible link technology was first used for ? .
heat detectors
An in-building fire emergency voice/alarm communications system is usually found in a ? .EVACS
high-rise building
Signaling line circuits monitor for integrity by ?
interrogating field devices
A firestopping material that expands when heated is referred to as ? .
intumescent
Generally speaking, power-limited fire alarm circuits operate at ? .
less than 100 VA
Single-station smoke alarms for dwellings are only used for ? .
life safety
The primary purpose of dwelling fire warning equipment or systems is ?
life safety
Smoke detectors that detect smoke by reflecting light from smoke particles onto a sensor are called ? smoke detectors.
light-scattering
Fire alarm control equipment requires a smoke detector for protection when the controls are ? .
located in an area that is not continuously occupied
Strobes must be synchronized when there are ? .
more than two appliances in a room
Fire alarm circuit survivability is required for ? .
partial evacuation or relocation
The most appropriate type of detection for a smoldering fire is a(n) ? .
photoelectric-type smoke detector
A ? system usually requires the actuation of ? detector(s) to open the charging valve, which floods the sprinkler piping in the protected space.
pre-action / 2
Supervising stations that only monitor property owned by the supervising station operator are called ?
proprietary supervising stations
The disconnecting means (branch circuit) for the primary power of a fire alarm system must be ? in color.
red
Mechanical covers or protection for notification appliances may ?
reduce the effectiveness of the appliance require derating of the appliance Incorrect require reduced spacing of the appliances
Central, Proprietary, and Remote are all examples of ? systems.
supervising station
The time difference between the ceiling temperature and the sensing element reaching the same temperature is called ? .
thermal lag
