OH Fire Alarm Study Materials
A cable that can respond to fire or high heat along the length of the cable and causes an
alarm when the insulation melts away, allowing the conductors to make contact, is
considered a spot-type heat detector.
T/F - ANS-FALSE--
Line Type Heat Detector
\A Class X circuit is a redundant pathway that only applies to addressable fire alarm
signaling device circuits.
T/F? - ANS-TRUE
\A combination system is part of the fire alarm system that: - ANS-Is shared with non-fire
signaling equipment
\A detector that is capable of resetting itself when the heat in the area drops below the
detector's set point. - ANS-Restorable Heat Detector
\A fire alarm control unit with a Class A IDC must be able to process an alarm condition and
notify the occupants if there is a single open on the IDC.
T/F? - ANS-True
\A fire alarm control unit with a Class A IDC must be able to process an alarm condition and
notify the occupants if there is a single open on the IDC.
T/F? - ANS-True
\A fire alarm device that has a FM (Factory Mutual) sticker on it is: - ANS-Labeled and Listed
\A fire alarm system branch circuit shall have what characteristics? - ANS-Identified as Fire
Alarm Circuit, red marking, and accessible only to authorized personnel
\A fire alarm system for the private operating mode can be described as: - ANS-Only
sounded at a constantly attended station to allow investigation and/or action by the
attendants
\A four-wire smoke detector receives operating power from the IDC or SLC. T/F? -
ANS-FALSE--
Four-wire smoke detectors report alarms on the IDC or SLC, but need an auxiliary power
circuit from the fire alarm control unit in order to function.
\A manual fire alarm box (pull station) must be no more than 10 feet from an exit door. -
ANS-FALSE ( manual alarm boxes must be no more than 5 feet from exit doors on each
floor.)
\A public mode audible signal shall have a sound level of at least ____ dBA above the
average ambient sound level or ____ dBA above the maximum sound level whichever is
greatest. - ANS-15,5
\A signal indicating a concentration of carbon monoxide at or above the alarm threshold that
could pose a risk to life safety requires _____. - ANS-Immediate action
\A smoke detector installed in an air duct system is permitted to be used as a substitute for
open area protection.
T/F? - ANS-FALSE -- Areas in duct, below floors/above ceilings count as separate areas.
\A smoke detector must be installed at the bottom of a stairway. T/F? - ANS-FALSE: must
install at TOP of stairway (smoke rises)
, \A smoke detector shall be installed in an attic where temperatures range from 50 to 120
degrees F - ANS-FALSE : temperature falls outside of the recommended temperature range
for smoke detectors, a heat detector would be used.
\A two-wire Class B circuit has 10 smoke detectors on it. A Class B circuit will typically have
an end-of-line device on the last detector in the circuit. The end-of-line device is usually a
_____. - ANS-Resistor
\According to the Ohio Fire Code, in a covered mall building exceeding 50,000 ft 2 in area, a
(an) ______ shall be provided. - ANS-Emergency Voice/Alarm Communications System
\After operating the alarm device for 7 days during a commercial power loss, all secondary
power supplies on household alarm devices must be capable of operating the alarm signal
for at least _____ minutes. - ANS-4
\Air sampling smoke detectors have a maximum air sample transport time of _____ seconds
from the farthest port to the detector. - ANS-120 seconds
\All initiating devices used to initiate fire fighters' service recall shall be connected to the
building fire alarm system.
T/F? - ANS-True
\An audible alarm appliance and the ambient sound level can never exceed _____ dBA. -
ANS-110
\An auxiliary relay to shut down the HVAC system from the fire alarm control panel must be
located within ____ ft of the HVAC system controller. - ANS-3 ft
\An auxiliary relay to shut down the HVAC system from the fire alarm control panel must be
located within ____ ft of the HVAC system controller. - ANS-3 ft
\An unwanted activation of a signaling system or alarm initiation device in response to a
stimulus or condition that is not the result of a potentially hazardous condition is a ________.
- ANS-Nuisance Alarm
\Any alarm that occurs that is not the result of a potentially hazardous condition is known as -
ANS-Unwanted Alarm
\Audible alarm appliances must be tested with: - ANS-A sound pressure level measurement
device
\Audible alarms for a household system shall be at least _____ dBA in the sleeping areas -
ANS-75 dba
\Audible alarms for a household system shall be at least _____ dBA in the sleeping areas. -
ANS-75
\Audible appliances shall have their tops at least ___ inches above the finished floor if ceiling
height permits. - ANS-90
\Audible fire alarm signals used in household fire alarm systems shall conform to the
performance requirements of Section(s): - ANS-18.4.3, 18.4.5.1, and 18.4.5.2
\Both NFPA 72 and the Ohio Fire Code require all alarm, supervisory, and trouble signals
from fire alarm systems to be ______. - ANS-distinctly different
\During a power outage, the secondary power source for a smoke or heat alarm must be
capable of supplying power for 7 days in the normal condition.
T/F? - ANS-TRUE
\During the normal (non-alarm) mode, the fire alarm system secondary power supply must
be capable of providing standby power for a period of not less than 24 hours, and at the end
of that period all alarm notification appliances used for evacuation
or to direct aid to the location of an emergency for ______. - ANS-5 minutes
\For a ceiling height of 16 ft, we must multiply a heat detector' s listed spacing by what
factor? - ANS-0.77
A cable that can respond to fire or high heat along the length of the cable and causes an
alarm when the insulation melts away, allowing the conductors to make contact, is
considered a spot-type heat detector.
T/F - ANS-FALSE--
Line Type Heat Detector
\A Class X circuit is a redundant pathway that only applies to addressable fire alarm
signaling device circuits.
T/F? - ANS-TRUE
\A combination system is part of the fire alarm system that: - ANS-Is shared with non-fire
signaling equipment
\A detector that is capable of resetting itself when the heat in the area drops below the
detector's set point. - ANS-Restorable Heat Detector
\A fire alarm control unit with a Class A IDC must be able to process an alarm condition and
notify the occupants if there is a single open on the IDC.
T/F? - ANS-True
\A fire alarm control unit with a Class A IDC must be able to process an alarm condition and
notify the occupants if there is a single open on the IDC.
T/F? - ANS-True
\A fire alarm device that has a FM (Factory Mutual) sticker on it is: - ANS-Labeled and Listed
\A fire alarm system branch circuit shall have what characteristics? - ANS-Identified as Fire
Alarm Circuit, red marking, and accessible only to authorized personnel
\A fire alarm system for the private operating mode can be described as: - ANS-Only
sounded at a constantly attended station to allow investigation and/or action by the
attendants
\A four-wire smoke detector receives operating power from the IDC or SLC. T/F? -
ANS-FALSE--
Four-wire smoke detectors report alarms on the IDC or SLC, but need an auxiliary power
circuit from the fire alarm control unit in order to function.
\A manual fire alarm box (pull station) must be no more than 10 feet from an exit door. -
ANS-FALSE ( manual alarm boxes must be no more than 5 feet from exit doors on each
floor.)
\A public mode audible signal shall have a sound level of at least ____ dBA above the
average ambient sound level or ____ dBA above the maximum sound level whichever is
greatest. - ANS-15,5
\A signal indicating a concentration of carbon monoxide at or above the alarm threshold that
could pose a risk to life safety requires _____. - ANS-Immediate action
\A smoke detector installed in an air duct system is permitted to be used as a substitute for
open area protection.
T/F? - ANS-FALSE -- Areas in duct, below floors/above ceilings count as separate areas.
\A smoke detector must be installed at the bottom of a stairway. T/F? - ANS-FALSE: must
install at TOP of stairway (smoke rises)
, \A smoke detector shall be installed in an attic where temperatures range from 50 to 120
degrees F - ANS-FALSE : temperature falls outside of the recommended temperature range
for smoke detectors, a heat detector would be used.
\A two-wire Class B circuit has 10 smoke detectors on it. A Class B circuit will typically have
an end-of-line device on the last detector in the circuit. The end-of-line device is usually a
_____. - ANS-Resistor
\According to the Ohio Fire Code, in a covered mall building exceeding 50,000 ft 2 in area, a
(an) ______ shall be provided. - ANS-Emergency Voice/Alarm Communications System
\After operating the alarm device for 7 days during a commercial power loss, all secondary
power supplies on household alarm devices must be capable of operating the alarm signal
for at least _____ minutes. - ANS-4
\Air sampling smoke detectors have a maximum air sample transport time of _____ seconds
from the farthest port to the detector. - ANS-120 seconds
\All initiating devices used to initiate fire fighters' service recall shall be connected to the
building fire alarm system.
T/F? - ANS-True
\An audible alarm appliance and the ambient sound level can never exceed _____ dBA. -
ANS-110
\An auxiliary relay to shut down the HVAC system from the fire alarm control panel must be
located within ____ ft of the HVAC system controller. - ANS-3 ft
\An auxiliary relay to shut down the HVAC system from the fire alarm control panel must be
located within ____ ft of the HVAC system controller. - ANS-3 ft
\An unwanted activation of a signaling system or alarm initiation device in response to a
stimulus or condition that is not the result of a potentially hazardous condition is a ________.
- ANS-Nuisance Alarm
\Any alarm that occurs that is not the result of a potentially hazardous condition is known as -
ANS-Unwanted Alarm
\Audible alarm appliances must be tested with: - ANS-A sound pressure level measurement
device
\Audible alarms for a household system shall be at least _____ dBA in the sleeping areas -
ANS-75 dba
\Audible alarms for a household system shall be at least _____ dBA in the sleeping areas. -
ANS-75
\Audible appliances shall have their tops at least ___ inches above the finished floor if ceiling
height permits. - ANS-90
\Audible fire alarm signals used in household fire alarm systems shall conform to the
performance requirements of Section(s): - ANS-18.4.3, 18.4.5.1, and 18.4.5.2
\Both NFPA 72 and the Ohio Fire Code require all alarm, supervisory, and trouble signals
from fire alarm systems to be ______. - ANS-distinctly different
\During a power outage, the secondary power source for a smoke or heat alarm must be
capable of supplying power for 7 days in the normal condition.
T/F? - ANS-TRUE
\During the normal (non-alarm) mode, the fire alarm system secondary power supply must
be capable of providing standby power for a period of not less than 24 hours, and at the end
of that period all alarm notification appliances used for evacuation
or to direct aid to the location of an emergency for ______. - ANS-5 minutes
\For a ceiling height of 16 ft, we must multiply a heat detector' s listed spacing by what
factor? - ANS-0.77
