FIRE PROTECTION SYSTEMS QUESTIONS
WITH DETAILED VERIFIED ANSWERS
Addressable notification appliance Ans: A notification device that is
identified by an electronic address and interfaces with a fire alarm control
panel to provide programming capabilities and information concerning the
device's status, integrity, condition, and location.
Air sampling-type detector Ans: A detector that consists of a piping or
tubing distribution network that runs from the detector to the area(s) to
be protected.
Alarm check valve Ans: AA valve that uses a clapper to prevent backflow
of water from the sprinkler system and initiates an alarm when water
flows through the system.
Annunciator Ans: A unit containing one or more indicator lamps,
alphanumeric displays, or other equivalent means in which each
indication provides status information about a circuit, condition or
location.
Autoignition temperature Ans: The lowest temperature at which a
combustible material ignites in air without a spark or flame.
Automatic dry standpipe system Ans: A standpipe system permanently
attached to a water supply capable of supplying the system demand at all
times, containing air or nitrogen under pressure, the release of which
opens a dry pipe valve to allow water to flow into the piping system and
out of the opened hose valve.
Backflow prevention device Ans: A device or means designed to prevent
backward flow of liquids into the potable water system
Bollards Ans: Freestanding post typically filled with concrete that is
installed to protect fire hydrants.
BTU Ans: British Thermal Unit - the quantity of heat required to raise
the temperature of 1lb of water 1 degree.
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Butterfly Valve Ans: Control valve that uses a flat circular plate in a pipe
that rotates 90 degrees across the cross section of the pipe to control the
flow of water.
Candela Ans: luminous intensity
Carbon dioxide extinguishing system Ans: A self-contained and
engineered suppression system that consists of liquid carbon dioxide
stored in container(s), activation devices, releasing mechanisms, piping,
fittings, and special spray nozzles; these systems protect flammable and
combustible liquid storage, chemical storage, electrical hazards,
marine/shipboard operations, industrial cooking operations, fur vaults,
records, and other important documents.
Central station service alarm system Ans: a system or group of systems
in which the operations of circuits and devices are transmitted
automatically to recorded in maintained by and supervised from a listed
central station that has competent and experienced servers and
operators who upon receipt of a signal take such action as required by
this code. Such service is to be controlled and operated by a person firm
or corporation whose business is the furnishing maintaining or monitoring
of supervised alarm systems
Cistern Ans: An underground tank that stores water for a fire protection
system.
Class A Fire Ans: Common Combustibles such as paper, wood, furniture,
clothing - Water, Foam
Class B Fire Ans: Flammable and combustible liquids fire
Class C Fire Ans: Energized electrical equipment fire
Class D Fire Ans: Combustible metals fire
Class I standpipe system Ans: 2 1/2 inch hose connection for full scale
firefighting.