TFM10 NFPA 24 UPDATED COMPREHENSIVE QUESTIONS
AND SOLUTIONS RATED A+
✔✔Flow Hydrant - ✔✔The hydrant that is used for the flow and flow measurement of
water during a flow test.
✔✔Private Fire Hydrant - ✔✔A valved connection on a water supply system having one
or more outlets that is used to supply hose and fire department pumpers with water on
private property.
✔✔Public Hydrant - ✔✔A valved connection on a water supply system having one or
more outlets that is used to supply hose and fire department pumpers with water.
✔✔Residual Hydrant - ✔✔The hydrant that is used for measuring static and residual
pressures during a flow test
✔✔Wet-Barrel Hydrant - ✔✔A hydrant used in areas that are not susceptible to
freezing. The barrel of the hydrant is normally filled with water.
✔✔Private Fire Service Mains - ✔✔Hydraulic calculations shall show that the main is
able to supply the total demand at the appropriate pressure.
✔✔Mains Not Supplying Hydrants - ✔✔For mains that do not supply hydrants, pipe
sizes less than 6 in nominal size shall be permitted to be used subject to the following
restrictions.
✔✔The main shall supply only the following types of systems - ✔✔-Automatic sprinkler
systems
-open sprinkler systems
-water spray fixed systems
-foam systems
-standpipe systems
✔✔NFPA 22 - ✔✔Tanks shall be installed in accordance with
✔✔Each remote fire department connection shall be designated by a sign as follows: -
✔✔-sign shall have a raised or engraved letters at least 1 inch in height on a plate or
fitting.
-The sign shall indicate the type of system for which the connection is intended.
✔✔6 inches - ✔✔The connection from the hydrant to the main shall not be less than
✔✔32-40 inches above final grade - ✔✔Where post indicator valves are used, they
shall be set so that the top of each post is
, ✔✔40 ft - ✔✔Hydrants shall be located not less than _______ from the building to be
protected
✔✔18 inches - ✔✔The center of a hose outlet shall not be less than_______above final
grade
✔✔AHJ (authority having jurisdiction) - ✔✔Where hydrants located closer than 40ft to
the building, shall be permitted to be used where approved by
✔✔12 inches - ✔✔The center of a hose outlet located in a hose house shall not be less
than _______ above the floor
✔✔36 Inches - ✔✔The center of a hose outlet shall not be more than_______above
final grade
✔✔250 GPM ( 950 LPM) - ✔✔Master streams shall be delivered by monitor nozzles,
hydrant-mounted monitor nozzles, and similar master stream equipment capable of
delivering more than
✔✔12 inches - ✔✔The top of the pipe shall not be buried less than _______ nelow the
frost line for the locality.
✔✔30 inches - ✔✔In locations where freezing is not a factor, the depth cover shall not
be less than ______ below grade to prevent mechanical damage.
✔✔36 inches - ✔✔Private fire service mains installed under driveways or roadways
shall be buried at a minimum depth of
✔✔4 ft - ✔✔Private fire mains installed under railroad tracks shall be buried at minimum
depth of
✔✔4 ft - ✔✔Private fire mains installed under large piles of heavy commodities or
subject to heavy shock and vibrations shall be buried at a minimum depth of
✔✔NFPA 13 - ✔✔Standard for the Installation of Sprinkler Systems 2022 ed
✔✔NFPA 13D - ✔✔Standard for the Installation of Sprinkler Systems in 1/2 Family
Dwellings and Manuf. Homes 2022 ed.
✔✔NFPA 13R - ✔✔Standard for the Installation of Sprinkler Systems in Low-Rise
Residential Occupancies 2022 ed.
✔✔NFPA 20 - ✔✔Standard for the Installation of Stationary Pumps for Fire Protection
AND SOLUTIONS RATED A+
✔✔Flow Hydrant - ✔✔The hydrant that is used for the flow and flow measurement of
water during a flow test.
✔✔Private Fire Hydrant - ✔✔A valved connection on a water supply system having one
or more outlets that is used to supply hose and fire department pumpers with water on
private property.
✔✔Public Hydrant - ✔✔A valved connection on a water supply system having one or
more outlets that is used to supply hose and fire department pumpers with water.
✔✔Residual Hydrant - ✔✔The hydrant that is used for measuring static and residual
pressures during a flow test
✔✔Wet-Barrel Hydrant - ✔✔A hydrant used in areas that are not susceptible to
freezing. The barrel of the hydrant is normally filled with water.
✔✔Private Fire Service Mains - ✔✔Hydraulic calculations shall show that the main is
able to supply the total demand at the appropriate pressure.
✔✔Mains Not Supplying Hydrants - ✔✔For mains that do not supply hydrants, pipe
sizes less than 6 in nominal size shall be permitted to be used subject to the following
restrictions.
✔✔The main shall supply only the following types of systems - ✔✔-Automatic sprinkler
systems
-open sprinkler systems
-water spray fixed systems
-foam systems
-standpipe systems
✔✔NFPA 22 - ✔✔Tanks shall be installed in accordance with
✔✔Each remote fire department connection shall be designated by a sign as follows: -
✔✔-sign shall have a raised or engraved letters at least 1 inch in height on a plate or
fitting.
-The sign shall indicate the type of system for which the connection is intended.
✔✔6 inches - ✔✔The connection from the hydrant to the main shall not be less than
✔✔32-40 inches above final grade - ✔✔Where post indicator valves are used, they
shall be set so that the top of each post is
, ✔✔40 ft - ✔✔Hydrants shall be located not less than _______ from the building to be
protected
✔✔18 inches - ✔✔The center of a hose outlet shall not be less than_______above final
grade
✔✔AHJ (authority having jurisdiction) - ✔✔Where hydrants located closer than 40ft to
the building, shall be permitted to be used where approved by
✔✔12 inches - ✔✔The center of a hose outlet located in a hose house shall not be less
than _______ above the floor
✔✔36 Inches - ✔✔The center of a hose outlet shall not be more than_______above
final grade
✔✔250 GPM ( 950 LPM) - ✔✔Master streams shall be delivered by monitor nozzles,
hydrant-mounted monitor nozzles, and similar master stream equipment capable of
delivering more than
✔✔12 inches - ✔✔The top of the pipe shall not be buried less than _______ nelow the
frost line for the locality.
✔✔30 inches - ✔✔In locations where freezing is not a factor, the depth cover shall not
be less than ______ below grade to prevent mechanical damage.
✔✔36 inches - ✔✔Private fire service mains installed under driveways or roadways
shall be buried at a minimum depth of
✔✔4 ft - ✔✔Private fire mains installed under railroad tracks shall be buried at minimum
depth of
✔✔4 ft - ✔✔Private fire mains installed under large piles of heavy commodities or
subject to heavy shock and vibrations shall be buried at a minimum depth of
✔✔NFPA 13 - ✔✔Standard for the Installation of Sprinkler Systems 2022 ed
✔✔NFPA 13D - ✔✔Standard for the Installation of Sprinkler Systems in 1/2 Family
Dwellings and Manuf. Homes 2022 ed.
✔✔NFPA 13R - ✔✔Standard for the Installation of Sprinkler Systems in Low-Rise
Residential Occupancies 2022 ed.
✔✔NFPA 20 - ✔✔Standard for the Installation of Stationary Pumps for Fire Protection
