S-12 CITYWIDE SPRINKLER SYSTEMS, S12
sprinkler test
Terms in this set (193)
ABOUT ______ PERCENT OF 96
FIRES ARE EXTINGUISHED
OR CONTROLLED WHEN
SPRINKLERS ARE
INSTALLED.
AN ACCELERATOR AND REDUCE
EXHAUSTER ARE USED TO
_______THE TIME TO ALLOW
WATER INTO THE SYSTEM.
An alarm check valve that is exposed to changing water
supply pressure needs an alarm retarding device. This is
required to prevent false alarms when the check valve
Alarm Retarding Devices
clapper is lifted from its seat by a temporary pressure
surge. Vane type water flow switches sensitivity can also
be adjusted to changing water pressures.
ALL INDICATING VALVES SEALED
IN THE COMPACTOR
SPRINKLER SYSTEM SHALL
BE ________ OPEN.
_________ ARE ABLE TO RISERS
SUPPLY FEED MAINS OR
CROSS MAINS DIRECTLY.
___________ ARE DESIGNED TO FIRE PUMPS
TAKE WATER FROM A
SUPPLY AND DISCHARGE
IT UNDER PRESSURE.
, AT A DISTANCE OF 4 FEET 16
BELOW THE DEFLECTOR,
THE SPRAY PATTERN
COVERS A DIAMETER OF
_________ FEET WHEN
DISCHARGING AT 15 GPM.
AUTOMATIC BALL DRIP HORIZONTAL
DEVICES SHALL BE
INSTALLED IN THE _________
POSITION.
AUTOMATIC FILL PUMPS 65
FILL THE TANK AT A RATE
OF _________ GPM OR MORE.
Automatic fill pumps supply 65
the water to most gravity
tanks. The pumps fill the
tank at a rate of __ gpm
AUTOMATIC FIRE PUMPS HIGH WATER DEMAND
ARE USUALLY NEEDED
WHERE A ___________ MAY
OCCUR IMMEDIATELY.
partially out of service- on all fire department
blue disk
connections
Booster pumps are sometimes used in sprinkler systems.
They small pumps with limited power are usually located
in the basement or taking suction from gravity tanks. The
booster pump is used when the water pressure available
Booster pumps/special
at the highest sprinkler head does not quite meet the
service pumps
needs of the sprinkler system. This small pump increases
the water pressure in the sprinkler system until it reaches
acceptable levels. The booster pump should not be
confused with the fire pump or the jockey pump.
sprinkler test
Terms in this set (193)
ABOUT ______ PERCENT OF 96
FIRES ARE EXTINGUISHED
OR CONTROLLED WHEN
SPRINKLERS ARE
INSTALLED.
AN ACCELERATOR AND REDUCE
EXHAUSTER ARE USED TO
_______THE TIME TO ALLOW
WATER INTO THE SYSTEM.
An alarm check valve that is exposed to changing water
supply pressure needs an alarm retarding device. This is
required to prevent false alarms when the check valve
Alarm Retarding Devices
clapper is lifted from its seat by a temporary pressure
surge. Vane type water flow switches sensitivity can also
be adjusted to changing water pressures.
ALL INDICATING VALVES SEALED
IN THE COMPACTOR
SPRINKLER SYSTEM SHALL
BE ________ OPEN.
_________ ARE ABLE TO RISERS
SUPPLY FEED MAINS OR
CROSS MAINS DIRECTLY.
___________ ARE DESIGNED TO FIRE PUMPS
TAKE WATER FROM A
SUPPLY AND DISCHARGE
IT UNDER PRESSURE.
, AT A DISTANCE OF 4 FEET 16
BELOW THE DEFLECTOR,
THE SPRAY PATTERN
COVERS A DIAMETER OF
_________ FEET WHEN
DISCHARGING AT 15 GPM.
AUTOMATIC BALL DRIP HORIZONTAL
DEVICES SHALL BE
INSTALLED IN THE _________
POSITION.
AUTOMATIC FILL PUMPS 65
FILL THE TANK AT A RATE
OF _________ GPM OR MORE.
Automatic fill pumps supply 65
the water to most gravity
tanks. The pumps fill the
tank at a rate of __ gpm
AUTOMATIC FIRE PUMPS HIGH WATER DEMAND
ARE USUALLY NEEDED
WHERE A ___________ MAY
OCCUR IMMEDIATELY.
partially out of service- on all fire department
blue disk
connections
Booster pumps are sometimes used in sprinkler systems.
They small pumps with limited power are usually located
in the basement or taking suction from gravity tanks. The
booster pump is used when the water pressure available
Booster pumps/special
at the highest sprinkler head does not quite meet the
service pumps
needs of the sprinkler system. This small pump increases
the water pressure in the sprinkler system until it reaches
acceptable levels. The booster pump should not be
confused with the fire pump or the jockey pump.