FF2 FIRE PROTECTION SYSTEMS
which is a common type of automatic alarm system
Central Station Protective Signaling
which should be used as a control valve for an automatic sprinkler system
PIV
a PIV is
a control valve that is mounted on a vertical case
a sprinkler system deflector creates steam a fine mist a solide stream a spray pattern
a spray pattern
in a dry-pipe sprinkler system, the air pressure gauge is located __________ the clapper valve and the water pressure gauge is located _______ the clapper valve
above , below
The control valve on a sprinkler system should be closed: as soon as the fire department arrives. after ensuring the fire is out or completely under control. prior to advancing hoselines into fire area. when building occupants decide fire is out.
after ensuring the fire is out or completely under control
some newer wet pipe sprinkler systems are referred to as straight sticks because they have a bakflow preventer instead of a
alarm check valve
on a wet pipe sprinkler system, the __________ is open to test the alarm with unseating the alarm check valve
alarm test valve
How does a deluge system differ from other types of sprinkler systems?
all sprinkler heads are open
fixed temp heat detectors
are slow to activate
most check valves are marked by an ________________ indicating the direction of unrestricted flow
arrow
_____________ systems remain the most reliable of al protection devices
automatic sprinkler
an example of a manually activated fire alarm component is a
pull station
a(n) ___________ detector is one that responds to sudden changes in temp
rate of rise
a sprinkler system water supply must be capable of delivering the required volume of water to the highest sprinkler in the building at a ______ pressure of ______ psi
residual, 15
according to NFPA, 13 and 13D, sprinkler cabinets in the sprinkler room should contain a sprinkler wrench and a minimum of ________ spare sprinkler heads
six
which is considered to be an automatic initiating device
smoke detector
every sprinkler system should be equipped with a main control valve located between the
source of the water supply and the sprinkler system
Firefighters expect to find flame detectors in: specialized industrial facilities. hospitals. lumber yards. auto-storage facilities.
specialized industrial facilities
a fire department connection to a sprinkler system enables firefighters to
supplement water supply
which sprinkler system component is used as an alternative to locking a main control valve in the open position
tamper switch
which statement regarding residential sprinklers is correct
the water supply can be connected to the domestic system
sprinkler systems are designed to automatically distribute water to extinguish or control the spread of fires (T/F)
true
dry pipe systems are used in conjunction with dry pendant sprinkler heads unheated buildings conjunction with an antifreeze loop buildings where rapid activation is required
un heated building
a riser is a ___________ pipe that supplies a sprinkler system
vertical
the simplest sprinkler system in design and operation is the _______ system
wet pipe sytem
dry pipe systems are used
where freezing temps occur
a correct temp rating for a sprinkler color coded with white is
175-225
fire department sprinkler connections typically consist of a siamese with at least two _____________ connections
2.5 inch female
the required air pessure for a drypipe system above trip pressure is
20 psi
the correct temp rating for a sprinkler color coded blue is
250-300
the correct temp rating for a sprinklre color coded green is
400-475
Which extinguishing agent is generally used in total flooding specialized system
carbon dioxide
During fire safety surveys, one of the most common non-fire related hazards discussed with the occupants is: carbon monoxide. radon testing. driving under the influence. hurricane roof tie down.
carbon monoxide
which gas detector is commonly found in homes today
carbon monoxide
Which release mechanism is commonly used to activate a sprinkler? A. roller links B. valve cap C. chemical bulb D. chemical pellet
chemical pellet
which sprinkler system components is used to limit flow to one direction
clapper valve
upon receiving an alarm from a proprietary alarm system, the personnel staffing the central alarm point should
contact the appropriate agency
a standpipe system is designed to
deliver water to each floor of a building
the _____________ system is equipped with all spinkler heads of the open type
deluge
which is a type of sprinkler system? auxiliary activated post action deluge partial flooding
deluge
when shutting down a wet pipe system, one should first turn off the main water control valve and
drain the system
_________ sprinklers system should be used in buildings where piping may be subjected to freezing temps
dry pipe
a sprinkler head with a temperature rating of 135- 170
either uncolored or black
which cause reduction of a sprinkler systems effectiveness
excessive sediment in the pipe
An OS&Y valve is open when the threads are?
extended
a rate of rise detector that responds to a rapid change in temp is
faster to react than a fixed temp detector
items found in the typical control room of a high rise building may include a: fire pump HVAC Fire alarm panel backup power supply
fire alarm panel
Which links initiation devices to the notification devices? Remote annunciator OS and Y valve Tamper switch Fire alarm system control panel
fire alarm system control panel
A detection device that is usually electrically operated with a bimetallic strip of two metals that expand at different rates is a(n): A. carbon monoxide detector. B. ionization smoke detector C. photoelectric smoke detector D. heat detector
heat detector
a retard chamber is a component of a sprinkler system that
helps prevent false alarms
which statement regarding the hose provided with a class 2 standpipe is correct
hose provided should not be used
The control valve for a sprinkler system may be located at the system or outside the building. This valve should be a(n) ______ valve. A. check B. indicating-type C. inspector's test D. quarter-turn
indicating type
which type of detector is sensitive to sunlight
infrared detector
the two basic types of smoke detectors are photoeletric an d
ionization
which type of alarm initating device contains a smal amount of radioactive material in its sensing chamber
ionizing detector
which statement regarding a class 1 standpipe system is correct
it is designed for used by the fire department
The check valve and ball-drip valve or drain on the piping for the fire department connection are installed to: automatically notify the fire department of a water flow. insure the fire department is supplying the system. keep the fire department connection dry and prevent freezing. prevent water from flowing out of the fire department connection when only one hose line is connected.
keep the fire department connection dry and prevent freezing
under normal circumstances, the air pressure gauge on a dry pipe sprinkler system will read _________ the water pressure gage
lower tan
which is preferred water soure for sprinkler system
municipal water source
a local protective signaling system is intended primarily to alert
occupants of the protected area
In a fire situation, the main sprinkler control valve should be closed: as soon as no more smoke is showing. when it appears that excessive water damage may occur from further use. as soon as a pumper hooks up to the fire department connection. only after the officer in charge has ordered the valve closed.
only after the officer in charge has ordered the valve closed
The full name of an OS&Y valve is _________ valve. open stem and yoke outside,shut, and yoke outside shield and yoke outside stem and yoke
outside stem and yoke
Visible products of combustion are best detected by a(n) _____detector. A. photoelectric B. ionization C. ultraviolet D. infrared
photelectric
which is considered to be an alarm initiating device
photoelectric detector
to control costs, the piping for residential sprinkler systems may be constructed of
plastic
classifications of sprinkler systems include pre-action full flow local application external supply
pre action
every sprinkler system should have a primary water supply of adequate reliability, volume, and
pressure
the backflow preventer or clapper valve
prevents water from reentering the public water supply.
a ___________ system is used to protect large commercial and industrial buildings and is staffed and supervised on the property
proprietary