Fire Detection And Alarm Systems Flashcards
what are the components of the fire and intrusion (F & I) system
F&I cabinets, panels and sensors
each station can accommodate up to _____fire and ______ intrusion zones
24, 24
temperature rate of rise detectors activate if the temperature rises greater than_____degrees in _______
15 degrees and 1 minute
where is the F&I panel located in a metrorail station
kiosk
where is the fire and intrusion cabinet located in each metrorail station
communications equipment room
depress the indicator on the F&I panel and the alarm indicator will illuminate steady red
alarm Ack (acknowledge)
what are the two types of ionization detectors used in metro
one type used in sensitive or critical areas, the other in air duct plenums of mechanical equipment areas
the fixed temperature detectors activate at what temperature?
135 degrees
right of way detection systems are located every ____feet with ETS boxes and ROW gates
800
alarm is transmited if ambient vapor levels reach what ______LFL
40
a warning is transmited if ambient vapor levels reach what ______LFL
20
every ____ fence post has a tilt switch
4th
what degree will activate the fence til switch?
30 degrees
how long are the zones for the tilt switch
2000 feet
The F and I panel located in every station kiosk displays alarm conditions and sensor malfunctions. When there are no alarms or sensor circuit malfunctions, the zone normal indicator is illuminated in white. If a fire or intrusion sensor activates, the ZoneAlarm indicator will flash red, and the audio alarm will sound. In order to get the audio alarm to stop, personnel should depress the ____________ indicator.
Trouble ACK
