TFM10 NFPA 24 EXAMS SCRIPT ALL QUESTIONS
AND ANSWERS SET A+
✔✔An acceptable water supply source -✔✔A connection to a reliable waterworks
system shall be________________________________________________
✔✔Hydraulic Calculations -✔✔____________________________ shall show that the
main is able to supply the total flow rate at the required design pressure
✔✔6 in -✔✔(Private Fire Service Mains) For mains that supply fire hydrants, pipe size
shall not be less than _______________
✔✔1.) Check Valves
2.) Detector Check Valves
3.) Backflow prevention valves
4.) Other similar appurtenances -✔✔The following shall not be installed between a fire
hydrant and the control valve for that hydrant:
✔✔Master Streams -✔✔_______________________ shall be delivered by monitor
nozzles, hydrant-mounted monitor nozzles, and other ___________________
equipment capable of delivering more than 250 gpm (950 L/min)
✔✔Master Streams -✔✔_________________________ shall be provided as protection
for the following:
1.) Large amounts of combustible materials located in yards
2.) Large amounts of combustible materials in inaccessible locations.
3.) Occupancies presenting special hazards, as required by the AHJ.
✔✔150 psi -✔✔All piping AND fittings 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 less than ______________
, ✔✔24 inches -✔✔Regardless of pipe type, underground piping shall be permitted to
extend into the building through the slab or wall not more than ________________
✔✔asphalt or other corrosion-retarding material -✔✔All bolted joint accessories shall be
cleaned and thoroughly coated with _______________ after installation
✔✔insulated against the passage of an electric current -✔✔Where it is necessary to join
metal pipe with pipe of dissimilar metal, the joint shall be
_______________________________ using an approved method.
✔✔Top of the piping to the final grade -✔✔The depth of piping shall be measured from
the _______________
✔✔NFPA 13 -✔✔Where private fire service mains are installed aboveground, they shall
be protected from freezing in accordance with _______________________
✔✔the same distance -✔✔Where piping is installed adjacent to a vertical face, it shall
be installed from the vertical face at ___________________________ as if the piping
were buried
✔✔10 ft -✔✔Private fire service mains supplying fire protection systems within the
building shall be permitted to extend horizontally no more than _________________
cumulatively, as measured from the outside of the building, under the building to the
riser location.
✔✔12 inches -✔✔Piping shall be installed a minimum of _______________ below the
bottom of building foundations or footers EXCEPT for when the piping is sleeved with
an approved material.
✔✔10 ft -✔✔Private fire service mains shall not be permitted to extend more
than_________________ under the building EXCEPT for when they are run in a
covered trench.
✔✔valve -✔✔Where piping is installed in a trench as permitted by 10.4.3.2.1, a
_______________ shall be provided where the underground piping enters the trench.
✔✔Thrust Blocks -✔✔_________________________ shall be concrete of a mix not
leaner than one part cement, two and one-half parts sand, and five parts stone.
✔✔- 1/2 in. x 2 in. for 4" to 6" pipe
- 5/8 in. x 2 1/2 in. for 8" to 10" pipe
- 5/8 in. x 3 in. for 12" Pipe -✔✔Restraint clamps for private fire service mains shall have
the following dimensions:
AND ANSWERS SET A+
✔✔An acceptable water supply source -✔✔A connection to a reliable waterworks
system shall be________________________________________________
✔✔Hydraulic Calculations -✔✔____________________________ shall show that the
main is able to supply the total flow rate at the required design pressure
✔✔6 in -✔✔(Private Fire Service Mains) For mains that supply fire hydrants, pipe size
shall not be less than _______________
✔✔1.) Check Valves
2.) Detector Check Valves
3.) Backflow prevention valves
4.) Other similar appurtenances -✔✔The following shall not be installed between a fire
hydrant and the control valve for that hydrant:
✔✔Master Streams -✔✔_______________________ shall be delivered by monitor
nozzles, hydrant-mounted monitor nozzles, and other ___________________
equipment capable of delivering more than 250 gpm (950 L/min)
✔✔Master Streams -✔✔_________________________ shall be provided as protection
for the following:
1.) Large amounts of combustible materials located in yards
2.) Large amounts of combustible materials in inaccessible locations.
3.) Occupancies presenting special hazards, as required by the AHJ.
✔✔150 psi -✔✔All piping AND fittings 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 less than ______________
, ✔✔24 inches -✔✔Regardless of pipe type, underground piping shall be permitted to
extend into the building through the slab or wall not more than ________________
✔✔asphalt or other corrosion-retarding material -✔✔All bolted joint accessories shall be
cleaned and thoroughly coated with _______________ after installation
✔✔insulated against the passage of an electric current -✔✔Where it is necessary to join
metal pipe with pipe of dissimilar metal, the joint shall be
_______________________________ using an approved method.
✔✔Top of the piping to the final grade -✔✔The depth of piping shall be measured from
the _______________
✔✔NFPA 13 -✔✔Where private fire service mains are installed aboveground, they shall
be protected from freezing in accordance with _______________________
✔✔the same distance -✔✔Where piping is installed adjacent to a vertical face, it shall
be installed from the vertical face at ___________________________ as if the piping
were buried
✔✔10 ft -✔✔Private fire service mains supplying fire protection systems within the
building shall be permitted to extend horizontally no more than _________________
cumulatively, as measured from the outside of the building, under the building to the
riser location.
✔✔12 inches -✔✔Piping shall be installed a minimum of _______________ below the
bottom of building foundations or footers EXCEPT for when the piping is sleeved with
an approved material.
✔✔10 ft -✔✔Private fire service mains shall not be permitted to extend more
than_________________ under the building EXCEPT for when they are run in a
covered trench.
✔✔valve -✔✔Where piping is installed in a trench as permitted by 10.4.3.2.1, a
_______________ shall be provided where the underground piping enters the trench.
✔✔Thrust Blocks -✔✔_________________________ shall be concrete of a mix not
leaner than one part cement, two and one-half parts sand, and five parts stone.
✔✔- 1/2 in. x 2 in. for 4" to 6" pipe
- 5/8 in. x 2 1/2 in. for 8" to 10" pipe
- 5/8 in. x 3 in. for 12" Pipe -✔✔Restraint clamps for private fire service mains shall have
the following dimensions:
