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Fire Detection, Alarm, and Suppression
This is just a practice test man
Protected premises fire alarm systems, also known as local warning systems, alert occupants the need to evacuate building and does not notify the fire department.
True False
The most basic design of alarm systems:
Is designed to be automatically initiated Is designed to alert occupants and fire departments Is designed to be initiated manually Is designed only to alert communication centers.
The two basic types of heat detectors are the rate-of-rise device, and the _____________.
Fusible detector Fire detector heat rise detector fixed-temperature device
The fixed-temperature device is the most prone to false activation.
Heat detectors in living spaces are usually rated at:
100-110 degrees 115-130 degrees 135-174 degrees 145-190 degrees
Attics and other areas of elevated temperatures may have detectors rated at _____ degrees.
150 200 220 250
A fusible link within a heat detector is usually held in place by a ______ with a known melting (fusing) temperature.
solder contact line chord
In order to restore a frangible bulb system, the entire detector must be replaced.
Typically, rate of rise heat detectors are designed to initiate a signal when the rise in temp exceeds______ degrees F in one minute.
2-10 12-15 15-23 20-30
Which of the following is the most commonly used rate-of-rise heat detector?
rate-compensated detector thermoelctric detector pneumatic rate-of-rise line detector pneumatic rate-of-rise spot detector
The tubing in a pneumatic rate-of-rise line detector must not exceed ______ feet in length.
10 100 500 1000
smoke detectors are devices that detect smoke or other products of combustion and subsequently sound an alarm.
Which type of smoke alarm/detector is more sensitive to smoldering fires?
photoelctric smoke alarms ionization detectors
Alarms powered by household current are usually less reliable than battery powered alarms.
Of the following, which alarm/detector is most sensitive, but also most prone to false activation?
heat detectors flame detectors smoke detectors fire gases
Ultraviolet detectors are virtually insensitive to sunlight.
Automatic alarm sysytems relay a signal to an off-site location to summon organized assistance in fire fighting.
Sure False
Local energy systems are only used in:
proprietary units private residences communities with fire alarm box systems All of the above
Parallel telephone systems interconnect with municipal alarm circuits.
Local energy systems, shunt systems, and parallel telephone systems are all:
Auxillary systems Remote station systems Proprietary systems Central station systems.
The Butte college campus fire alarm system would be an example of:
Which of the following best describes how often automatic sprinklers fail to operate?
Almost always Sometimes Rarely Never
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