NICET LEVEL III HYDRAULICS 2026 PRACTICE
QUESTION SET ONE
◉ •lobbies not in hotels and motels
•foyers
•corridors
•halls
•lounges
•ordinary hazard areas (per NFPA 13R section 7.2.4.1)
•garages (per NFPA 13R section 7.3.3 and 7.3.3.1(1)
•other areas with fire loads similar to residential fire loads. Answer:
Sprinklers used outside dwelling units are to be quick-response,
with the following exceptions, where residential sprinklers are
permitted:
◉ 0.1gpm/square foot. Answer: Per NFPA 13R quick response
sprinklers are permitted to be installed in mechanical closets
discharging at least?
◉ 15 square foot. Answer: Shadow areas are permitted in the
protection area of a sprinkler, if the cumulative dry areas do not
exceed?
,◉ 30 minutes. Answer: NFPA 13R requires supplying the system
demand for a minimum of?
◉ Counterflow Cooling Tower. Answer: A cooling tower
classification in which the water flows countercurrent to the airflow.
◉ Crossflow Cooling Tower. Answer: A cooling tower classification in
which the airflow is essentially perpendicular to the flow of water.
◉ Mechanical Draft Cooling Tower. Answer: A cooling tower
classification in which air movement depends on fans and blowers.
◉ Natural-Draft Cooling Tower. Answer: A cooling tower containing
no fans or blower, in which air movement depends on the difference
in densities of the heated air inside the tower and the cooler air
outside.
◉ NFPA 72. Answer: Heat detector shall be spaced per?
◉ Surety Bond. Answer: Guarantees payment on another party's
obligations to meet all terms in the contract
◉ Bid Bond. Answer: Submitted with the bid and guarantees the
contractor can bond the project
, ◉ Performance Bond. Answer: Guarantees that the contractor will
perform all the work in accordance with the contract documents
◉ Lien Bond. Answer: Protects the owner against liens
◉ Tank Size = System Demand * Discharge Duration. Answer: Tank
Size Equation
◉ Pressure = 0.434psi/ft * head (ft). Answer: Equation for getting
head (ft) converted to pressure (psi)
◉ •150%
•65%. Answer: Pumps shall not furnish not less than _______ of rated
capacity at not less than _______ of rated pressure head
◉ 140%. Answer: Maximum allowable shut-off pressure is ________ of
the rated pump pressure
◉ Pump rated flow = system demand / 1.5. Answer: Pump rate flow
equation
◉ Pump rated pressure = system demand - supply pressure at
system demand flow. Answer: Pump rated pressure equation
QUESTION SET ONE
◉ •lobbies not in hotels and motels
•foyers
•corridors
•halls
•lounges
•ordinary hazard areas (per NFPA 13R section 7.2.4.1)
•garages (per NFPA 13R section 7.3.3 and 7.3.3.1(1)
•other areas with fire loads similar to residential fire loads. Answer:
Sprinklers used outside dwelling units are to be quick-response,
with the following exceptions, where residential sprinklers are
permitted:
◉ 0.1gpm/square foot. Answer: Per NFPA 13R quick response
sprinklers are permitted to be installed in mechanical closets
discharging at least?
◉ 15 square foot. Answer: Shadow areas are permitted in the
protection area of a sprinkler, if the cumulative dry areas do not
exceed?
,◉ 30 minutes. Answer: NFPA 13R requires supplying the system
demand for a minimum of?
◉ Counterflow Cooling Tower. Answer: A cooling tower
classification in which the water flows countercurrent to the airflow.
◉ Crossflow Cooling Tower. Answer: A cooling tower classification in
which the airflow is essentially perpendicular to the flow of water.
◉ Mechanical Draft Cooling Tower. Answer: A cooling tower
classification in which air movement depends on fans and blowers.
◉ Natural-Draft Cooling Tower. Answer: A cooling tower containing
no fans or blower, in which air movement depends on the difference
in densities of the heated air inside the tower and the cooler air
outside.
◉ NFPA 72. Answer: Heat detector shall be spaced per?
◉ Surety Bond. Answer: Guarantees payment on another party's
obligations to meet all terms in the contract
◉ Bid Bond. Answer: Submitted with the bid and guarantees the
contractor can bond the project
, ◉ Performance Bond. Answer: Guarantees that the contractor will
perform all the work in accordance with the contract documents
◉ Lien Bond. Answer: Protects the owner against liens
◉ Tank Size = System Demand * Discharge Duration. Answer: Tank
Size Equation
◉ Pressure = 0.434psi/ft * head (ft). Answer: Equation for getting
head (ft) converted to pressure (psi)
◉ •150%
•65%. Answer: Pumps shall not furnish not less than _______ of rated
capacity at not less than _______ of rated pressure head
◉ 140%. Answer: Maximum allowable shut-off pressure is ________ of
the rated pump pressure
◉ Pump rated flow = system demand / 1.5. Answer: Pump rate flow
equation
◉ Pump rated pressure = system demand - supply pressure at
system demand flow. Answer: Pump rated pressure equation
