Exam (elaborations)
Fire Alarm Guide Questions with Solutions 2024
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Exam of 34 pages for the course Fire Alarm at Fire Alarm (Fire Alarm Guide)
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Fire Alarm GuideBoth audible and visual alarm indication shall be supervised - answer True
Speakers are permitted for voice communication only - answer False
Private Mode audible signal appliance minimum sound level of - answer45 dBA at 10' --
10 dBA above average, 5 dBA above maximum sound level; whatever is greater
measured at 5' above floor.
A signal indicating an emergency requiring immediate action is an - answeralarm signal
Where Public Mode audible appliances are installed they shall be ____________ above
average ambient sound level - answer15 dBA
An alarm silencing switch, a means for silencing the trouble notification appliance shall
be permitted only if _________ - answerIt is key-operated or located within a local
cabinet
It will give a trouble signal if left in the "silence" position when no alarm exists
It will transfer indication of an alarm to a visual indicator
What is the sound made by one or more audible notification appliances such as bells or
horns in response to the operation of an initiating device? - answerAudible alarm
Where audible appliances are installed in mechanical equipment rooms, the average
ambient sound level is - answer85 dBA
Alarm sounding appliances are installed in mechanical equipment rooms, the average
ambient sound level is? - answer85 dBA
Wall mounted audio/visible notification appliance must be at least 6' 8" above the floor
but not more than ____________ above the floor - answer96"
Sleeping area where audible appliances are installed shall be ____________ above the
average ambient sound level - answer15 dBA
The light appliance source color shall be clear or nominal white and shall not exceed -
answer1000 candela
Where ceiling heights allow, wall mounted audible appliances shall have their tops
above the finished floors at heights of not less than - answer90"
,Wall mounted telephone where accessible to the general public, one telephone per
location shall be no higher than - answer48"
Wall mounted visible notification appliance must be at least 6' 8" above the floor but not
more than _______ above the floor - answer96"
The visible appliances shall be located no more than ____________ from the end of the
corridor with separation no more than __________ between visible appliances -
answer15', 100'
In a dwelling unit the detectors shall be wired in such a manner that actuation of one
alarm will actuate _________ alarms - answerAll
Loud speakers shall have a mounting height of _____ or _____ below the ceiling -
answer90", 6"
Household Audible alarms must produce a prevailing sound higher than ______ at 10' -
answer75 dBA
Audible alarms may have a mounting heights of ____ or ____ below the ceiling -
answer90", 6"
An average ambient sound level greater than ______ shall require the use of a visible
notification appliance - answer105 dBA
Manual fire alarm boxes shall not be mounted less than 3-1/2' and not more than 5'
above the finished floor - answerFalse
All fire detection devices shall be listed or approved for the purpose for which they are
intended - answerTrue
A detector should not be recessed in any way unless they have been tested for such a
mounting - answerTrue
Partitions which do not extend to the ceiling and are 18" or more from the ceiling are
considered not to have an effective smoke travel to warrant a reduction of spacing -
answerFalse
Smoke detectors listed or approved exclusively for door release service shall not be
used for open area protection - answerFalse
Smoke detectors placed in areas used to handle environmental air, such as plenum
ceiling, may be substitute for open area protection - answerFalse
Manual fire alarm boxes shall not be mounted less than 3-1/2' and not more than 4'
above the finished floor - answerTrue
,Smoke detector listed exclusively for door release shall be used for open air protection -
answerTrue
Manual pull station shall be located as near as possible and not more than five feet from
each exit - answerTrue
Detectors shall not be recessed in any way unless they have been tested and listed for
such mounting - answerTrue
The detector sensitivity cannot be tested or measured using any spare device that
administers an unmeasured concentration of aerosol into a detector - answerTrue
How far from the doorway shall a Manual fire alarm station be mounted - answer5' or as
close as AHJ says
What kind of detectors are used for door closer operation - answerPhotoelectric or
Ionization
When there is more than a _____ inch depth partition over a door or double-doors two
detectors must be installed - answer24
A bimetallic heat detector is an example of a - answerSpot-type detector
Vane type flow switch have no longer than _____ to initiate alarm - answer1-1/2
minutes
Smoke detector must be tested every - answer1 year
The principles of a smoke sensing fire detector are - answerIonization, Photoelectric,
and Projected beam
Sensitivity in smoke detectors and single & multiple-station smoke alarms in other than
1&2 family dwellings shall be checked within _____ year or years after installation -
answer1 year
Type of detector that should be installed six feet away from a florescent fixture -
answerPhotoelectric
A spot-type heat detector located on a wall, shall not be more than _____ inches from
the ceiling - answer12
A type of smoke detector which uses a small amount of radioactive material is a -
answerIonization detector
, With a peak ceiling, heat and smoke detectors shall be located within _____ of the
peak, measured horizontally - answer3'
A spot-type smoke detector located on a ceiling or, if on a sidewall, between the ceiling
and _____ down from the ceiling to the top of the detector - answer12"
Flame detectors which respond to radiant energy outside the range of human vision are
- answerInfrared and Ultraviolet detectors
Smoke detectors shall not be located - answerNear air supply diffusers
When beams project more than _____ inches below the ceiling and are more than 8' on
center, each bay formed by the beams shall be treated as a separate area for heat
detectors - answer18
When manual fire alarm boxes are used, the distance between boxes will not be in
excess of _____ - answer200'
A water flow device should be field adjusted so that an alarm is initiated in no more than
_____ seconds - answer90
Smoke detectors shall not be located directly in the air stream of _____ - answerSupply
registers
Detectors shall not be installed until after - answerFinal clean up of all trades
A flow switch is a _____ type of device - answerOn/Off
A heat detector integrally mounted on a smoke detector shall be listed for approved for
not less than ______ feet - answer50
Detectors for common return systems should be installed up to ______ in front or
behind openings - answer12"
Detectors listed for ducts shall be located _____ the last inlet or outlet upstream and the
first inlet or outlet downstream of the damper - answerBetween
Smoke detector sensitivity shall be tested _____ - answerWithin one year of installation
and every other year thereafter
A line-type obscuration smoke detector, where the light beam is projected across the
area to be protected detector - answerProjected beam smoke detector
When manual fire alarm boxes are used, the distance between boxes will not be in
excess of _____ feet - answer200
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