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WorksheetsWet System Components
Total questions: 15
Worksheet time: 8mins
Supervisory switches are required to sent a signal if a valve is closed ___ of its total travel distance.
1/2
1/3
1/4
1/5
At least one _____ is required in each system riser.
pressure gauge
pressure switch
auxiliary drain
welded outlet
Required pressure gauges shall be approved and shall have a maximum limit _____ the normal system working pressure at the point where installed.
not less than twice
not more than half
50 psi in excess of
approximately 20% less than
The alarm test connection shall be permitted to be installed _____ the water flow alarm.
in any location upstream of
in any location downstream of
immediately before
parallel to
Pressure gauges shall be installed _____ each alarm check valve or system riser check.
above and below
only above
only below
level with
What is the minimum height that a Fire Department Connection is required to be off the ground?
18"
24"
12"
36"
What size sprinkler riser requires a minimum drain of 1 1/4" or larger?
4"
3"
2"
5"
What is the minimum pipe size required for a fire boat FDC connection?
2
4
6
8
Each fire department connection to sprinkler systems shall be designated by a sign having raised or engrave letters at least ___ in. in height on plate or fitting reading service design (for example: AUTOSPKR., OPEN SPKR., AND STANDPIPE)
1
2
4
12
The Fire Department Connection check valve should be located ______.
as close to the riser as possible
to minimize the length of nonpressurized pipe
above a drywall ceiling
at the furthest and highest point of the system
A single-outlet fire department connection shall be acceptable where piped to a ___ in. or smaller riser.
3
4
5
6
Where subject to freezing, a minimum of ___ ft. of exposed drain pipe shall be in a heated area between the drain valve and the exterior wall when drain piping extends through the wall to the outside.
2
3
4
5
____________ is the full name for an OS&Y valve.
opening screw (stem) and yoke
outside screw (stem) and yoke
operating screw (stem) and yoke
oscillating screw (stem) and yoke
NFPA _____ is the Standard for Fire Hose Connections.
13
25
1500
1963
Drain piping can terminate in blind spaces under buildings _____.
if it is the only option
if the area is lined with stones
in warm climates
never
