Exam (elaborations)
S95 PERSONAL QUESTIONS AND ANSWERS
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S95 PERSONAL QUESTIONS AND ANSWERS
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S95 PERSONAL QUESTIONS AND ANSWERSWhich duties can an s-95 certificate of fitness holder perform? - answers-visual
inspections only - of fire alarm system components and smoke detectors
What is the primary purpose of fire alarm systems? - answers-to warn building
occupants and transmit signals indicating a fire condition to the fire department via
central station.
What is a fire alarm signal? - answers-the signal initiated by a fire alarm initiating device
such as a manual fire alarm pull station, smoke detector, water-flow switch, or any
device in which their activation indicates presence of fire.
What is a supervisory signal? - answers-a signal indicating that a system or device
being monitored has been compromised or is in an abnormal state.
Is the fdny dispatched for supervisory signals? - answers-no. The facility manager
should investigate and correct the supervisory condition indicated by the facp.
What is a trouble signal? - answers-a signal that indicates a fault with the fire
equipment. It must have an audible signal, distinctive from alarm signals
What is the maximum number of minutes that routine handling should take?-- from
receipt of trouble signal by central station until initiation of the investigation by
telephone. - answers-four minutes
Is the fdny dispatched for trouble signals? - answers-no. Trouble signals aren't indicative
of a fire condition.
What is an acknowledge switch (ack) ? - answers-this switch/button is used to
acknowledge alarm, supervisory, or trouble conditions.
Why is an alarm silence switch helpful after an evacuation - while the source of alarm is
being investigated? - answers-this switch/button silences audible and visual devices
(sirens, bells, gongs) so it's easier for emergency responders to communicate.
Which switch/button is pushed once an alarm condition is cleared? - answers-the
system reset switch
Smoke detectors should be cleaned not less than - answers-once every six months
How often should analog smoke detectors be cleaned? - answers-one week from
receipt of an indication that cleaning is needed.
, How often should smoke detectors be tested for smoke entry? - answers-not less than
once a year
After activation, which type of heat detector self-restores? Which type doesn't? -
answers-fixed-temperature heat detectors: doesn't self -restore and requires
replacement. Rate of rise heat detectors: self-restore
Fire alarm circuits' primary power source shouldn't generate electric power exceeding
which voltage? - answers-277/480 volts
All abnormal conditions be investigated and noted where? - answers-a bound log book
Alarm notification appliance - answers-a fire alarm system component (bell, light, etc.)
That issues an audible, tactile, or visual alert.
Annunciator - answers-a unit containing one or more indicator lamps, alphanumeric
displays, etc. In which each indication provides status info about a circuit, condition, or
location.
Arcs (auxiliary radio communication system) - answers-a wireless two-way building
communication system for fire dept. Use only.
Accessibility - answers-admitting close approach- not guarded by locked doors,
elevation, etc.
Initiating device - answers-a system component that originates transmission of a
change-of-state condition, such as in a smoke detector, manual fire alarm box, or
supervisory switch.
Nuisance alarm - answers-an alarm caused by mechanical failure, malfunction,
improper installation, improper maintenance or an undetermined cause.
Plenum - answers-the open space that carries air between the ceilings and floor above.
Single-station smoke alarm - answers-one unit incorporating the detector, control
equipment, and the alarm-sounding device - operated by power supply in the unit or
obtained during installation.
Smoke alarm - answers-a single-or-multiple-station alarm responsive to smoke and not
connected to a fire alarm system.
Trouble signal - answers-a signal initiated by a fault in a monitored circuit or component.
Unnecessary alarm - answers-an alarm signal for which a fire department response is
not necessary.
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