IRC Plumbing Exam | Atcual Questions with 100%
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Terms in this set (66)
Which of the following fixtures can Water closet -Table P2903.1 (29 Water Supply &
have a supply with a flow rate of 6 Distribution / TABLE Required Capacities at Point of
gpm at the point of outlet Outlet Discharge)
discharge?
What is the maximum coverage area 400 sq ft -P2904.2.4.1 ( 29 Water Supply &
for a single sprinkler? Distribution / Dwelling Unit Fire Sprinkler Systems /
Coverage area limit)
For outlets with an effective opening 2 times the diameter of the effective opening -
greater than 1 inch, the minimum AIR p2902 (29 Water Supply & Distribution / Protection
GAP away from a wall shall be of Potable Water Supply / Air Gaps
, A critical level fill valve shall be not 1 inch -p2902 (29 Water Supply & Distribution /
less than _________ above the flood Protection of Potable Water Supply / Fill Valves)
level rim.
If the developed length of pipe is 60 3/8 inch -p2903.8.1 (29 Water Supply & Distribution
feet and the pressure is 40 psi then / Water Supply System / (manifold) Minimum Sizing
the distribution line shall be not less
than _____ in diameter.
What is the water service pressure 6.7 psi -Table p2904.6.2(1) (29 Water Supply &
loss for a 18 gpm pipe that comes Distribution / Dwelling Unit Fire Sprinkler Systems /
from a 1-inch 25 foot pipe for a TABLE Water Service Pressure Loss)
sprinkler system?
What is the maximum working 160 psi p2906.4 (29 Water Supply & Distribution /
pressure required for water service Materials, Joints and connections / Water Service
piping? Pipe)
What is the maximum flow rate for a 2.5 gpm at 80 psi -Table 2903.2 (29 Water Supply &
shower head? Distribution / Water Supply System / Maximum
Flow Rates and consumption for Plumbing Fixtures
and Fixture Fittings)
Correct Answers | Verified | Latest Update 2026
Save
Terms in this set (66)
Which of the following fixtures can Water closet -Table P2903.1 (29 Water Supply &
have a supply with a flow rate of 6 Distribution / TABLE Required Capacities at Point of
gpm at the point of outlet Outlet Discharge)
discharge?
What is the maximum coverage area 400 sq ft -P2904.2.4.1 ( 29 Water Supply &
for a single sprinkler? Distribution / Dwelling Unit Fire Sprinkler Systems /
Coverage area limit)
For outlets with an effective opening 2 times the diameter of the effective opening -
greater than 1 inch, the minimum AIR p2902 (29 Water Supply & Distribution / Protection
GAP away from a wall shall be of Potable Water Supply / Air Gaps
, A critical level fill valve shall be not 1 inch -p2902 (29 Water Supply & Distribution /
less than _________ above the flood Protection of Potable Water Supply / Fill Valves)
level rim.
If the developed length of pipe is 60 3/8 inch -p2903.8.1 (29 Water Supply & Distribution
feet and the pressure is 40 psi then / Water Supply System / (manifold) Minimum Sizing
the distribution line shall be not less
than _____ in diameter.
What is the water service pressure 6.7 psi -Table p2904.6.2(1) (29 Water Supply &
loss for a 18 gpm pipe that comes Distribution / Dwelling Unit Fire Sprinkler Systems /
from a 1-inch 25 foot pipe for a TABLE Water Service Pressure Loss)
sprinkler system?
What is the maximum working 160 psi p2906.4 (29 Water Supply & Distribution /
pressure required for water service Materials, Joints and connections / Water Service
piping? Pipe)
What is the maximum flow rate for a 2.5 gpm at 80 psi -Table 2903.2 (29 Water Supply &
shower head? Distribution / Water Supply System / Maximum
Flow Rates and consumption for Plumbing Fixtures
and Fixture Fittings)
