NFPA 24 TEST (TFM10) EXAM QUESTIONS AND
ANSWERS NEW MODIFIED TESTED AND
APPROVED
This standard shall apply to ______ intended to carry water
for fire service mains --ANSWER--Combined Service Mains
Working plans shall be submitted for approval to the _____
before any equipment is installed or remodeled. --ANSWER--
AHJ
____ shall not be used --ANSWER--Pressure-Regulating
devices
______ shall not be installed in the piping from the fire
department connection to the fire service main --ANSWER--
Control Valves
, 2
_____ shall be permitted in the system downstream of the fire
department connection --ANSWER--Control Valves
When more than one water supply exists, a ___________
shall be installed in each connection --ANSWER--Check
Valve
All check valves shall have a ________ installed upstream
and downstream of the check valve. --ANSWER--Control
Valve
A post indicator valve installed not less than____ from the
building --ANSWER--40 ft
Where post indicator valves are used, they shall be set so that
the top of each post is _______ above final grade --
ANSWER--32-40 inches
, 3
Supervision of underground gate valves with roadway boxes
shall ____________ --ANSWER--not be required
The connection from the hydrant to the main shall
___________ --ANSWER--not be less than 6 inches
Hydrants shall be located _________ from the buildings to be
protected --ANSWER--not less than 40 ft
Hydrants shall be installed on __________ --ANSWER--flat
stones, concrete slabs, or other approved material
The center of a hose outlet shall not be ____________ above
final grade --ANSWER--less than 18 inches
The center of a hose outlet shall not be _______ above final
grade --ANSWER--more than 36 inches
, 4
All piping used in private fire service mains shall be rated for
the maximum system working pressure to which the piping is
exposed to but shall not be rated at _______________ --
ANSWER--less than 150 psi
All bolted joint accessories shall be cleaned and thoroughly
coated with _______________ after installation --ANSWER--
asphalt or other corrosion-retarding material
In locations where freezing is not a factor, the depth of cover
shall __________________ below grade to prevent
mechanical damage. --ANSWER--not be less than 30 inches
Private fire service mains installed under driveways or
roadways shall be buried at a ______________ --ANSWER--
minimum depth of 36 inches
Where private fire mains extend more than 10 ft into the
building, they shall be ___________ --ANSWER--run in a
covered trench