Sounds
Audible alarm notification devices shall provide a sound level of _____ dBa above the average ambient sound level or ___ dBa above the maximum sound level having a duration of at least 60 seconds, whichever is greater, in every occupied space
15/5 dBa
Spacing of detectors on a smooth ceiling shall be ___
30'
A device which detects the visible particles of combustion is a ____ detector
Smoke
Detectors shall not be installed until after
Final clean up of all trades
Smoke detector sensitivity shall be tested
within one year of installation and every other year after
A _____ is an unwanted activation of signaling or an alarm initiating device in response to a stimulus or condition that is not the result of potentially hazardous condition
Nuisance Alarm
The most commonly used scale in drawings is
1/8" = 1 inch
what type of fire alarm system transmits alarm to a public emergency fire service communications center
Municipal fire alarm system
smoke detectors shall not be located near
Air supply diffusers
Secondary power supplies for fire alarm systems must operate that system in standby for a period of at least
24 Hours
The minimum decibel level for a fire alarm signal for a sleeping area is
75 dba
Ionization smoke alarms with an alarm silencing switch are not to be installed less than ____ horizontally from a permanently installed cooking appliance
10 feet
Horns, bells, and chimes are ___ appliances
Notification
smoke detectors shall not be located directly in the air stream of
supply registers
All household fire alarm equipment should have enough back up power to sound an alarm for _____ minutes
4
a signaling method characterized by simultaneous or sequential transmission on both, and reception of multiple signals on a signaling line circuit, a transmission channel, or a communications channel, including means for positively identifying each signal.
Multiplexing
smoke detectors must be installed within ______ feet of a door to a sleeping room
21 feet
The name of photoelectric light obscuration where the beam spans the protected area is ___
Projected beam smoke detector
smoke detectors installed within _______ feet of cooktop or range must be of the _____ type
20 feet/photo
single and multiple stations smoke alarms shall be tested after the initial installation test every ____
1 year
Where audible appliances are installed in mechanical equipment rooms, the average ambient sound level is
85dba
Wall mounted audio-visual notification appliances must be at least 6 feet 8 inches above the floor, but no more than ____ above the floor
8 feet
Fire alarm specifications are usually developed by this person who is also responsible for designing the system
Engineer
you must be certified by the of Ohio if you are ___
installing fire pumps, fire alarm systems, testing and inspecting fire alarm systems
A water flow device should be field adjusted so that an alarm is initiated in no more than _____ seconds
90