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NFPA 24 Test (TFM10) Questions and
Answers Already Passed
This standard shall apply to ______ intended to carry water for fire service mains ✔✔Combined Service Mains
Working plans shall be submitted for approval to the _____ before any equipment is installed or remodeled. ✔✔AHJ
____ shall not be used ✔✔Pressure-Regulating devices
______ shall not be installed in the piping from the fire department connection to the fire service main ✔✔Control Valves
_____ shall be permitted in the system downstream of the fire department connection ✔✔Control Valves
When more than one water supply exists, a ___________ shall be installed in each connection ✔✔Check Valve
All check valves shall have a ________ installed upstream and downstream of the check valve. ✔✔Control Valve
A post indicator valve installed not less than____ from the building ✔✔40 ft
Where post indicator valves are used, they shall be set so that the top of each post is _______ above final grade ✔✔32-40 inches
Supervision of underground gate valves with roadway boxes shall ____________ ✔✔not be required
The connection from the hydrant to the main shall ___________ ✔✔not be less than 6 inches
Hydrants shall be located _________ from the buildings to be protected ✔✔not less than 40 ft
Hydrants shall be installed on __________ ✔✔flat stones, concrete slabs, or other approved material
Where private fire mains extend more than 10 ft into the building, they shall be ___________ ✔✔run in a covered trench
Thrust blocks shall be concrete of a mix not leaner than ______________ ✔✔1 part cement, 2 1/2 parts sand, and 5 parts stone
Rods shall be _____________ ✔✔not less than 5/8 in diameter
After installation, rods, nuts, bolts, washers, clamps, and other restraining devices _____________________ ✔✔shall be cleaned and thoroughly coated with a bituminous or other acceptable corrosion-retarding material
Pipe shall be _____________________ ✔✔restrained at the bottom of a hill and at any lateral or vertical turns
Bell ends shall be __________ ✔✔facing uphill
The flushing operation shall continue until water flow is verified to be ___________ ✔✔clear of debris
The installing contractor shall be responsible for _______________________ ✔✔completing and signing the contractors material and test certificates
All piping shall be hydrostatically tested at ____________________________ ✔✔gauge pressure of 200 psi or 50 psi above working pressure for 2 hours
Flow required to produce velocity of __________ in pipes ✔✔10 ft/sec
______________ do not include drain valves, check valves, or relief valves ✔✔control valves
