Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
234 Cards in this Set
- Front
- Back
according to the National Fire Protection Association, how many fires were reported in 2005
|
1,602,000
|
|
Name the five (5) primary purposes of a fire alarm system
|
- Life safety protection
- Property protection - Mission or Business continuity - Environmental protection - Heritage preservation |
|
Name the five (5) primary functions of a fire alarm system
|
- Early detection of fires
- occupant notification - control of fire safety functions - building system management |
|
A fire alarm installed in a rubber tire warehouse is an example of _ protection
|
Environmental
|
|
For purposes of fire protection, room contents are referred to as _
|
Fuels
|
|
Which of the following are required for development of a fire
|
Oxygen, Ignition source, Fuel (all of the above)
|
|
Name the four (4) elements that affect fire alarm system reliability
|
- design
- equipment - installation - maintenance |
|
The world's first public fire alarm reporting system was used in
|
Boston
|
|
Fusible link technology was first used for
|
Heat detectors
|
|
The first _ was made commercially available in the 1960s
|
Smoke detector
|
|
Single-station smoke alarms for dwellings are only used for
|
Life saftey
|
|
Air sampling smoke detectors were developed in
|
Australia
|
|
What type of detection was developed to protect large open areas
|
Projected beam smoke detectors
|
|
Street boxes are indicative of a _ system
|
Public fire reporting
|
|
Name the three (3) types of supervising station systems
|
- central station
- proprietary station - remote station |
|
Supervising stations that only monitor property owned by the supervising station operator are called
|
proprietary stations
|
|
An emergency voice/alarm communications system is usually found in a
|
High-rise building
|
|
The primary purpose of dwelling fire warning equipment or system is
|
Life safety
|
|
A _ usually provides signal information in a floor plan format
|
Graphic Annunciators
|
|
Failures of a power supply or wiring fault are indicated by a _ signal
|
trouble
|
|
An off-normal condition of a suppression system is indicated by a _ signal
|
supervisory
|
|
Which type of sprinkler is most commonly used to protect buildings
|
wet pipe sprinklers
|
|
Which of the following is an alarm signal initiating device
|
Manual station
|
|
Addressable controls monitor devices status by _ the field devices
|
Interrogating or polling
|
|
|
|
|
conventional controls know what devices have actuated
|
false
|
|
A _ system usually requires the actuation of _ detectors to open the charging valve which floods the sprinkler piping in the protected space
|
pre-action/2
|
|
Name at least three (3) types of notification appliances used to alert occupants
|
bells, chimes, sirens, speakers and, strobes
|
|
which of the following is not considered a fire safety control function
|
Fire pump monitoring
|
|
what led to the development of codes and standards in the US
|
direct result of large loss fires in new england near the end of the 19th century
|
|
Underwriter's laboratories was founded in
|
1894
|
|
The first edition of the NEC was published in
|
1897
|
|
which of the following is a code change that occurred as a result of a large loss fire
|
door unlocking
|
|
the safety system in the US consists of
|
codes and standards, product standards, and enforcement
|
|
which of the following is not an example of a standards developing organization
|
general services administration
|
|
codes requirements are generally based on
|
all of the above
- occupancy type, loading, and hazards |
|
standards usually provide
|
all of the above
- installation requirements - equipment requirements - system performance |
|
codes and standards usually contain ___ requirements
|
minimum
|
|
additional or unique requirements for a project are sometimes found in ____
|
project specifications
|
|
NFPA 72 alone can be used to determine the occupancy based requirements for a commercial building (other than dwelling)
|
false
|
|
Chapter __ of NFPA 72 applies to dwelling units and household fire warning equipments
|
11
|
|
local jurisdictions can change national codes to suit local needs through
|
amendments
|
|
NFPA 72 consists of __ technical committees
|
9
|
|
in the NFPA standards development process, there are __ different interest groups that can be applied to committee members
|
9
|
|
in the NFPA process, a committee cannot have more than ___ of the committee from a single interest group
|
1/3
|
|
the public may submit recommendations for changes to the technical committees by submitting a
|
proposal
|
|
the length of the NFPA 72 revision cycle is __ weeks
|
100
|
|
the __ contain all committee actions during a revision cycle
|
ROP/ROC
|
|
annex A of NFPA 72 contains
|
explanatory material or suggested methods
|
|
all mandatory requirements of NFPA 72 are contained in chapters
|
1 - 11
|
|
A vertical rule in the margin of an NFPA document indicates
|
a change
|
|
list three signals produced by a fire alarm system
|
- alarm
- supervisory - trouble |
|
opens and grounds result in a __ signal
|
trouble
|
|
alarm signals are indicative of a
|
fire or other life threatening emergency
|
|
a valve tamper switch, when actuated, will produce a __ signal
|
supervisory
|
|
duct smoke detectors are sometimes permitted to cause a ___ signal in place of an alarm signal
|
supervisory
|
|
a Mass Notification System (MNS) can be used to warn occupants of
|
all of the above
- fire - tornado - terrorist attack |
|
Section ___ of NFPA 72 requires all circuits to be monitored for integrity
|
4.4.7
|
|
wiring between enclosures is not required to be monitored for integrity if the enclosures are less than ___ feet apart and the wiring
|
20/ installed in conduit
|
|
name the three types of fire alarm circuits
|
- Initiating device circuit (IDC)
- signaling line circuits (SLC) - Notification Appliance circuits |
|
conventional initiating devices can be installed on signaling line circuits using a
|
monitor module
|
|
initiating device circuits and notification appliance circuits monitor for integrity by
|
a small current through the circuit
|
|
signaling line circuits monitor for integrity by
|
polling, integrity devices
|
|
Notification appliances commonly use __ to prevent monitoring current to pass through the appliance circuitry
|
a blocking diode
|
|
all devices on signaling line circuits have unique addresses
|
true
|
|
Notification appliance circuits energize the connected appliances by
|
reversing polarity
|
|
conductors returning to the control unit from the last field device on the circuit might indicate a
|
class A circuit
|
|
secondary power supplies must supply power to protected premises fire alarm systems for a minimum of
|
24 hrs of standby followed by five minutes of alarm
|
|
secondary power supplies must supply to an emergency voice/alarm communications fire alarm system for minimum of
|
24 hrs of standby followed by 15 minutes of alarm
|
|
when an engine driven generator is used to provide secondary power, a minimum of ___ hrs of batteries are required
|
4
|
|
if a system standby load is 350 mA and the alarm load is 1.100A, what is the required capacity of a battery used for secondary power supply
|
8.5
|
|
a fire alarm system primary power branch-circuit disconnecting means must be __ in color
|
red
|
|
storage for a piped-in natural gas powered engine driven generator is only required for seismic risk zone ___ or greater
|
3
|
|
According to NFPA 72, fire alarm system installers must
|
be qualified and experienced
|
|
an ambient temp of 130 degrees F is suitable for control equipment
|
false
|
|
controls installed in locations that are not constantly attended may be protected by
|
smoke detectors
|
|
As a minimum, ___ is required to be separate zone for the purposes of fire alarm signaling
|
each floor
|
|
section __ of NFPA 72, National Fire Alarm code requires all equipment to be listed for the purpose for which it is used
|
4.3.1
|
|
water level switches are a ____ initiating device
|
supervisory
|
|
which of the following devices will detect light energy
|
radiant energy detector
|
|
supervisory signal initiating devices indicate
|
an off normal suppression system
|
|
which of the following is a supervisory signal initiating device
|
room temp switch
|
|
vane (paddle) type switches are an ___ initiating device
|
alarm
|
|
ionization type smoke detectors use ___ as a means of detecting smoke particles
|
Americium 241
|
|
Light obstruction smoke detectors detect smoke by
|
blockage of signal from infrared LED
|
|
which of the following is an appropriate location for a photoelectric type smoke detector
|
elevator lobby
|
|
ionization type smoke detectors are best suited to detecting smoke particles having a size
|
less than one micron in width
|
|
a smoke detector that has a laser particle counter is best suited for
|
clean rooms
|
|
the most appropriate type of detection for an atrium is
|
projected beam smoke detection
|
|
Rate-of-rise heat detectors usually operate when the temp rise is __ degrees per min
|
12-15
|
|
the time difference between the ceiling temp and the sensing element reaching the same temp is called
|
thermal lag
|
|
total coverage is
|
defined by NFPA 72, but required by building codes
|
|
total coverage include inaccessible combustible area
|
true
|
|
wall mounted spot-type smoke and heat detectors are installed so that the top of the detector is
|
4-12" from the ceiling
|
|
ceiling mounted spot-type smoke and heat detectors are installed so that the edge of the detector is at least
|
4" from the wall
|
|
heat detectors should be selected to operate at least __ degrees F above the maximum expected ambient temp in the protected space
|
20
|
|
Manual fire alarm boxes must be mounted no higher than __ for front reach applications
|
48"
|
|
it is permitted to install smoke detectors in an ambient temp of 115 degrees F
|
false
|
|
water flow switches are permitted to have a time delay, or retard, up to __ sec
|
90
|
|
smoke detectors have a listed spacing of
|
none of the above
- 25' - 30' - 50' |
|
for level non-smooth ceiling, section 5.7.3.2.4.2 of NFPA 72 permits the smooth ceiling spacing of spot type smoke detectors for beams or joists with depths up to __ percent of the ceiling height
|
10
|
|
NFPA 72 permits __ to be used as a guide for smoke detectors spacing on smooth and level ceilings
|
30'
|
|
which of the following locations is a good candidate for mechanical protection of smoke detectors
|
college dormitories
|
|
valve supervisory initiating devices must initiate a supervisory signal within __ revolution of the hand wheel, or __ of the travel distance of the valve
|
2, 1/5
|
|
pressure supervisory switches must indicate ___ PSI from nominal pressure
|
10
|
|
vane (paddle) type waterflow switches cannot be used on what type of system
|
dry
|
|
the spacing of heat detectors on ceilings with joists is generally reduced by ___
|
1/3 in the direction parallel to the joists
|
|
the spacing of smoke detectors on ceilings with beams ___, for beams depths more than ten percent (10%) of the ceiling height
|
requires a smoke detector in each bean pocket
|
|
notification appliances used outdoors my result in ___ unless listed for such use
|
ground faults
|
|
mechanical covers or protection for notification appliances may
|
all of the above
|
|
installation instructions for notification appliances are found on
|
product cut sheets
|
|
the type of audible appliance used on EVAC systems is a
|
speaker
|
|
Which of the following is an audible textual appliance
|
speaker
|
|
both audible and visible appliances can be wired on the same circuit
|
true
|
|
sound pressure level is always measured using the ___ scale
|
A weighted
|
|
visible notification appliances are required when the ambient SPL is greater than
|
105 dBA
|
|
the minimum required SPL for public mode signaling is the greater of
|
15 dBA above the average ambient or five dBA above the maximum
|
|
the minimum required SPL for private mode signaling is
|
10 dBA above the average ambient or five dBA above the max
|
|
audible notification appliances must be mounted
|
80" above finished floor, not less than 6" from the ceiling
|
|
combination audio/visible notification appliances must be mounted __ above finished floor
|
80 - 96"
|
|
private mode signaling is permitted in
|
elevator cars
|
|
a sleeping room with an ambient SPL of 45 dBA must have __ dBA at the pillow
|
75
|
|
a speaker tapped at its highest setting will likely suffer from
|
distortion
|
|
visible notification appliances used for public mode signaling (for the hearing impaired) must be listed to UL
|
1971
|
|
According to NFPA 72, visible notification appliance for non-sleeping areas must be mounted between __ and __ inches above the finished floor
|
80/96
|
|
According to NFPA 72, a 20 foot by 20 foot room or area with a 10 foot ceiling is best covered by a __ cd visible notification appliance, centered on one wall
|
15
|
|
visible appliances in sleeping areas must be within __ of pillow
|
16'
|
|
sleeping areas visible appliances mounted 28 inches from a ceiling must have a minimum rating of __ cd
|
177
|
|
telephone stations must be mounted ___ above the finished floor
|
36 - 66"
|
|
A 20 foot by 20 foot room with 30 foot high ceiling requires at a minimum a ___ ceiling mounted strobe
|
55 cd
|
|
an example of a textual visible display is
|
LCD/CRT
|
|
strobes must be synchronized when
|
there are more than two appliances in a field of view
|
|
a smoke alarm with an integral strobe must be mounted at ___ below the ceiling where intended to be used for sleeping rooms
|
4 - 11"
|
|
corridor visible notification appliances must be installed a maximum of __ from each end of the corridor
|
15'
|
|
corridor visible notification appliances can be mounted on the wall of the corridor
|
true
|
|
which article of NEC covers burglary system wiring
|
article 725
|
|
non power-limited circuits operate with voltages up to
|
600 v
|
|
tables __ provide limitations for power-limited circuits
|
12A and 12B
|
|
non power-limited speaker circuits may operate at __ volts
|
140
|
|
power-limited wiring requirements are found in part ___ of article 760
|
III
|
|
power-limited equipment is determined to meet the limitations by
|
the manufacturer
|
|
under certain conditions, non power-limited circuits may be in the same cable, raceway, or enclosures as
|
class 1 circuits
|
|
power-limited fire alarm circuits extending from one floor to another must use __ cable
|
type FPLR
|
|
Multi-conductor power-limited fire alarm cables must be a minimum size of
|
AWG 26
|
|
using NEC table 760.154(D) (760.61 (D) ), provide two alternative multi - conductor cable type for Type FPLR cable
|
- CMP
- FPLP - CMR |
|
what cable type is suitable for two hrs of direct attack by fire
|
- mineral insulated (MI) cable
- circuit integrity (CI) cable |
|
Fire alarm circuit survivability is required for
|
partial evacuation or relocation
|
|
circuit integrity (CI) cable can be spliced between the controls and the zone it serves
|
false
|
|
power-limited circuits may be wired using
|
all of the above
|
|
Assuming that there are no approved separations between conductors, conductors of which of the following are permitted in the same cable or raceway as power-limited circuit conductors
|
class 2
|
|
failure to remove conduit burrs usually results in
|
insulation damage and resulting ground faults
|
|
the proper non power-limited cable for riser use is
|
NPLFR
|
|
describe the conditions under which abandoned fire alarm cables are permitted to remain in a building
|
only where tagged foe fure use
|
|
non power-limited circuits may be wired using what methods
|
- chapter 3 methods
- non power-limited wiring methods |
|
where non power-limited wiring is installed exposed, it must be mechanically protected within __ of the finished floor
|
7'
|
|
fire alarm circuit conductors above a suspended ceiling may use the same support wires that support the ceiling grid
|
false
|
|
fire alarm cables are permitted to be strapped to other conduit
|
false
|
|
the location of unit resistances for copper wire is found in __ of the NEC
|
table 8
|
|
an AWG 18 uncoated solid copper has a unit resistance of __ ohms per 1,000 feet
|
7.77
|
|
A circuit that is 1,500 feet from the control unit to the last device will have a loop resistance of __ ohms, when an AWG 18 uncoated soild copper is used
|
23.31
|
|
what is the length of a #16 solid coated copper conductor having a resistance of 23.5 ohms
|
4626'
|
|
fire-stopping materials are always listed
|
false
|
|
a fire-stopping classification having a minimum F rating of __ must be used on a two hr rating fire wall to resist the passage of flames
|
120
|
|
section __ of the NEC requires electrical penetration to be fire-stopped
|
300.21
|
|
a fire-stopping material that expands when heated is referred to as
|
intumescent
|
|
a cable tray is considered as a __ penetration
|
dynamic
|
|
a combination burglary/fire alarm system listed for household use may be used in a small mercantile occupancy
|
false
|
|
control relays or modules must be located within ___ of __
|
3'/ the controlled circuit or device
|
|
According to NFPA 72, how many water-flow alarm-initiating devices may be connected to an initiating device circuit
|
5
|
|
According to NFPA 72, how many supervisory initiating devices may be connected to an initiating device circuit
|
20
|
|
which of the following systems is not required to be connected to the fire alarm system
|
kitchen hood
|
|
electric fire pumps must be supervised for
|
phase reversal
|
|
diesel fire pumps must be supervised for
|
over temperature
|
|
smoke detectors installed in elevator lobbies for elevator phase I recall must be installed within __ of the centerline of each elevator car controlled by the detector
|
21'
|
|
what minimum number of fire alarm control circuits (for Phase I recall) is required for each group of elevators
|
3
|
|
the __ is selected by the Authority having jurisdiction
|
designated elevator
|
|
where the elevator hoist-way and machine room and sprinklered, heat detectors with __ and a __ are required
|
lower temperature rating/ higher sensitivity rating
|
|
where the elevator hoist-way and machine room are sprinklered, heat detectors are required within __ of ___ sprinkler
|
2'/ every
|
|
heat detectors used for shunt trip are not required to be connected to the fire alarm system, and are not required to be monitored for integrity
|
false
|
|
pit sprinklers located less than _
above the pit floor are exempt from causing shunt trip |
2'
|
|
which of the following signals is not required to be transmitted from an interconnected suppression system controlled unit to the main fire alarm control unit
|
guard's tour
|
|
control relays and modules must be
|
suitable for the circuit parameters
|
|
the standard that contains requirements for duct detection in HVAC systems is
|
NFPA 90A
|
|
duct detectors are usually required on systems with a capacity over
|
2,000 cfm
|
|
a duct smoke detector actuation is permitted to cause
|
a and b only
|
|
According to the NEC, what devices must cause phase I recall
|
elevator lobby, machine room, and hoist-way smoke detectors
|
|
control units that perform suppression system releasing service must be
|
all of the above
|
|
which of the following is least likely to require an emergency voice/alarm communications system
|
mercantile
|
|
An emergency voice/alarm communications system is required for system using total evacuation plans
|
false
|
|
what type of fire alarm signal is required for a total evacuation plan
|
Temporal - 3
|
|
emergency voice/ alarm communications systems are usually not used with the following
|
total evacuation
|
|
a fire alarm signal is permitted to have the same signal as
|
none of the above
|
|
emergency voice/ alarm communications systems use
|
speakers
|
|
each evacuation zone must have a minimum of __ audible device
|
2
|
|
an emergency voice/ alarm communications system uses __ communication
|
one-way
|
|
emergency voice/ alarm communication systems are required to have what secondary power supply capacity
|
24 hrs standby plus 15 min of all connected load
|
|
speech intelligibility is
|
a listener's ability to hear and understand the verbal signal
|
|
studies have shown that occupants respond and evacuate faster using
|
voice instruction
|
|
outgoing and return conductors of class A circuits __ be separated by distance of
|
should/ 1' vertically and 4' horizontal
|
|
graphic annunciators are commonly used for
|
all of the above
|
|
systems that provide for a partial evacuation or relocation of occupants must be
|
survivable
|
|
survivability means
|
a fire in any one paging zone cannot cause loss of communications to any paging zone
|
|
which of the following i not a method of providing survivable circuits
|
A class A circuit routed in non combustible construction
|
|
additional survivability requirements exist when
|
the FCC and the central controls are separated
|
|
which of the following is a two hr rated wiring method
|
type FPLP-CI cable
|
|
Assuming survivability is required, which one of the following circuits is required to be survivable
|
Notification appliance
|
|
which of the following factors will affect speech intelligibility
|
all of the above
|
|
which of the following is not a permitted exception to class A separation requirements
|
An unlimited cable drop to a single appliance
|
|
fire fighters telephones must be located
|
- each floor
- exit stairs - fire pump room - FCC |
|
firefighters telephones are especially useful when
|
all of the above
|
|
According to NFPA 72, there must be at least ___ firefighters telephones which can be used simultaneously
|
5
|
|
when firefighters telephones do not indicate the location of the caller, this feature must be installed
|
placards or labels indicating caller location
|
|
specifications are an opportunity for the designer to
|
all the above
|
|
under the new Master Format numbering system, specification for fire protection systems are now found in division
|
28
|
|
which of the following is most likely to be found in fire alarm specification
|
type of equipment used
|
|
public authorities having jurisdiction, such as a fire marshal or electrical inspector, can enforce specification
|
false
|
|
the construction specification institute (CSI) revised the master format specifications numbering systems in
|
2004
|
|
division __ applies to all the other divisions
|
01
|
|
which of the following are usually found on shop drawings
|
all of the above
|
|
on the one prosperity place drawings (annex e), a NAC circuit consists of __ conductors
|
2 conductor AWG #14 FPLP
|
|
on the one prosperity place drawings what is device L2M05
|
manual fire alarm box
|
|
on the drawing, the proper mounting height for a manual fire alarm box is __ to the top of the device
|
48"
|
|
on the drawings, how many signaling line circuits (SLCs) are used
|
2
|
|
on the drawings, what type of device causes the HVAC shutdown
|
FRM
|
|
on the drawing, what is the highest intensity notification appliance shown on the drawings
|
177
|
|
A "D" size drawing is __ by __
|
22"b/ 34"
|
|
blueprints are developed using the __ process
|
diazo
|
|
record drawings are usually developed from shop drawings by
|
the contractor or equipment
|
|
standard symbols for fire protection are found in NFPA
|
170
|
|
standard electrical symbols are found in NECA
|
100
|
|
which line type usually has the lightest weight
|
Dimension
|
|
hidden objects are usually shown by __ lines
|
dashed
|
|
match lines are usually indicated by this line type
|
zigzag
|
|
the location of rated walls and barriers are usually located on these drawings
|
fire protection/ life safety
|