NICET LEVEL III WATER BASE FINAL EXAMS
ACTUAL QUESTIONS AND ANSWERS SURE A+
✔✔140% - ✔✔Maximum allowable shut-off pressure is ________ of the rated pump
pressure
✔✔Pump rated flow = system demand / 1.5 - ✔✔Pump rate flow equation
✔✔Pump rated pressure = system demand - supply pressure at system demand flow -
✔✔Pump rated pressure equation
✔✔Overflow capacity (percentage) = system demand / pump rating - ✔✔Overflow
capacity equation
✔✔Figure A.6.2 - ✔✔To determine the percentage of the rated head at the overflow
capacity go to ___________ in NFPA 20
✔✔Pressure rating of the pump = pump rated pressure / percentage of rated head -
✔✔Pressure rating of the pump euqation
✔✔Pressure rating of the pump * 1.4 + water supply static pressure < allowable system
pressure - ✔✔Churn pressure equation
, ✔✔6 inches for tanks up to and including 25000, not less than 8 inch for 30000-100000
and 10 inch for greater capacities - ✔✔Minimum size for discharging pipe on a tank
shall never be less than?
✔✔4 inches - ✔✔Minimum size of the tank discharge piping for a pressure tank is?
✔✔8 - ✔✔Filling of the tank is to be accomplished in no more than ______ hours.
✔✔•steel
•wood
•concrete
•coated fabric
•fiberglass-reinforced plastic tanks - ✔✔Tank materials are limited to:
✔✔4 - ✔✔Filling of a pressure tank is to be accomplished to its working capacity within
______ hours.
✔✔Q = K*sqrt(P) - ✔✔Flow equation:
✔✔Total No. sprinklers = (Design area) / (Area per sprinkler) - ✔✔Total sprinklers to
calculate equation:
✔✔No. sprinkler on branch line = (1.2 * sqrt(Design Area)) / (Distance between
sprinklers on branch line) - ✔✔Number of sprinklers on branch line equation:
✔✔Normal pressure = total pressure - velocity pressure - ✔✔Normal pressure equation:
✔✔Velocity pressure = (Velocity^2/2*gravitational constant of the earth)*0.433
OR
Velocity pressure = (0.001123*Q^2) / (d^4) - ✔✔Velocity pressure equation:
✔✔frictional resistance = (4.52*Q^1.85) / (C^1.85*d^4.87) - ✔✔Frictional resistance
equation:
✔✔11.2 - ✔✔Minimum K-factor a Control Mode Sprinkler should have?
✔✔400sqft - ✔✔Pipe or tube listed for light hazard occupancies is permitted in ordinary
hazard rooms of otherwise light hazard occupancies where the room does not exceed?
✔✔pipe and valves which supply water to hose and nozzle assemblies. - ✔✔A
standpipe system is a network of:
ACTUAL QUESTIONS AND ANSWERS SURE A+
✔✔140% - ✔✔Maximum allowable shut-off pressure is ________ of the rated pump
pressure
✔✔Pump rated flow = system demand / 1.5 - ✔✔Pump rate flow equation
✔✔Pump rated pressure = system demand - supply pressure at system demand flow -
✔✔Pump rated pressure equation
✔✔Overflow capacity (percentage) = system demand / pump rating - ✔✔Overflow
capacity equation
✔✔Figure A.6.2 - ✔✔To determine the percentage of the rated head at the overflow
capacity go to ___________ in NFPA 20
✔✔Pressure rating of the pump = pump rated pressure / percentage of rated head -
✔✔Pressure rating of the pump euqation
✔✔Pressure rating of the pump * 1.4 + water supply static pressure < allowable system
pressure - ✔✔Churn pressure equation
, ✔✔6 inches for tanks up to and including 25000, not less than 8 inch for 30000-100000
and 10 inch for greater capacities - ✔✔Minimum size for discharging pipe on a tank
shall never be less than?
✔✔4 inches - ✔✔Minimum size of the tank discharge piping for a pressure tank is?
✔✔8 - ✔✔Filling of the tank is to be accomplished in no more than ______ hours.
✔✔•steel
•wood
•concrete
•coated fabric
•fiberglass-reinforced plastic tanks - ✔✔Tank materials are limited to:
✔✔4 - ✔✔Filling of a pressure tank is to be accomplished to its working capacity within
______ hours.
✔✔Q = K*sqrt(P) - ✔✔Flow equation:
✔✔Total No. sprinklers = (Design area) / (Area per sprinkler) - ✔✔Total sprinklers to
calculate equation:
✔✔No. sprinkler on branch line = (1.2 * sqrt(Design Area)) / (Distance between
sprinklers on branch line) - ✔✔Number of sprinklers on branch line equation:
✔✔Normal pressure = total pressure - velocity pressure - ✔✔Normal pressure equation:
✔✔Velocity pressure = (Velocity^2/2*gravitational constant of the earth)*0.433
OR
Velocity pressure = (0.001123*Q^2) / (d^4) - ✔✔Velocity pressure equation:
✔✔frictional resistance = (4.52*Q^1.85) / (C^1.85*d^4.87) - ✔✔Frictional resistance
equation:
✔✔11.2 - ✔✔Minimum K-factor a Control Mode Sprinkler should have?
✔✔400sqft - ✔✔Pipe or tube listed for light hazard occupancies is permitted in ordinary
hazard rooms of otherwise light hazard occupancies where the room does not exceed?
✔✔pipe and valves which supply water to hose and nozzle assemblies. - ✔✔A
standpipe system is a network of:
