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NFPA 24 TEST (TFM10) ALL QUESTIONS
AND CORRECT DETAILED ANSWERS
|NEWLY UPDATED VERSION FOR 2025-
2026 |A RATED
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
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
, 2
The center of a hose outlet shall not be _______ above final grade -
ANSWER- more than 36 inches
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
Thrust blocks shall be concrete of a mix not leaner than
______________ - ANSWER- 1 part cement, 2 1/2 parts sand, and 5
parts stone
NFPA 24 TEST (TFM10) ALL QUESTIONS
AND CORRECT DETAILED ANSWERS
|NEWLY UPDATED VERSION FOR 2025-
2026 |A RATED
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
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
, 2
The center of a hose outlet shall not be _______ above final grade -
ANSWER- more than 36 inches
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
Thrust blocks shall be concrete of a mix not leaner than
______________ - ANSWER- 1 part cement, 2 1/2 parts sand, and 5
parts stone
