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Fire Alarm System Components and Functions Questions and Answers
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Fire Alarm System Components andFunctions
What is the primary function of a fire alarm system? - answer Provides notification of a
fire emergency and is critical to an individual's chance of survival.
What is the secondary functions of a fire alarm system? - answer Capture elevators,
unlocking exit doors, start fans, close smoke dampers, pressurizing stair towers and
elevator shafts, and closing smoke doors.
Compare and contrast the characteristics of conventional fire alarm control panels and
addressable/intelligent/multiplex technology fire alarm control panels. - answer
Conventional Panels link to manual fire alarm boxes and bells to provide coded or non-
coded alarm signals for evacuation.
Intelligent panels provide specific information such as device location and alarm location
and type. They also constantly monitor the integrity of the system.
What type of signal should sound when a fire alarm system has a problem with power or
system integrity? - answer Constant tone, beep or buzz accompanied by a visual light
on the fire control panel.
What type of signal should sound when there is a change in the normal ready status of
the fire protection system devices connected to the fire alarm system? - answerUses
same tone and light as the power problem signal.
Why is the fire alarm control panel often referred to as the "brain" of the fire alarm
system? - answerIt controls the fire alarm system and alerts you when there is a
problem.
What is the purpose of a power expander panel? - answerWhen renovating a building it
may have an older fire alarm system. When you add newer detection devices to that
system it may not have enough power to properly run everything. This will provide
supplemental power to support the devices.
Discuss the different fire detector classifications. - answer
Why should heat detectors not be used in place of smoke detectors? - answerThey are
slower at detecting a fire.
What are the limitations of smoke detectors? - answerSpot type detectors can only
cover a small area reliably. Must have a level of sensitivity for the area, to sensitive
creates false alarms. Only work if properly maintained.
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