NC Plumbing Practice Test 2 Questions with Correct Answers 100% Verified By Experts| Latest
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The minimum service pressure at the point of outlet discharge shall be not less than___ when
supplying direct flush valves 15psi
Plastic water service piping shall be rated at 160 psi at 73 degrees
A water main is: A water supplying pipe for public use.
The minimum size of a floor drain is 2"
Crown vents are prohibited by the Code. Which of the following is considered a crown vent?
A back vent within 2 pipe diameters of the trap weir.
The maximum fall in a 4 inch trap arm from the trap to the vent is: I. Two pipe diameters
II. 18 inches
Neither I. or II.
The code accepted minimum diameter of the water supply branch to a flush valve urinal is:
3/4"
To meet code, a three story building having tank-type flush water closets must have a minimum
pressure of___psi on the third floor. 8
The maximum length of a residential 2" trap arm with a 2" trap to the vent is 8 feet
, An individual vent serving a four inch diameter fixture drain must be located a minimum of how
many inches from the trap? Minimum 2 pipe diameters
8"
In accordance with code, find the minimum fall per 100 feet of a horizontal building sewer 4" in
diameter 1/8" fall per foot.
2.5" fall per 20 ft.
2.5 X 5 = 12.5"
The minimum size for a building sewer is 4"
Copper-alloy tubing used for water distribution must meet the___standards ASTM
According to code, vent piping installed underground shall not be__ Galvanized wrought
iron
Which of the following fittings is not normally a part of the sanitary drainage system? a.
cleanout tee c. 1/8 bend
b. elbow d. wye B.
For a pump discharging continuously to a drainage system at 20 gpm,____d.f.u.'s should be
allowed if located in the basement of a residential house. 40
What is the v?enting method used for drawing 1 Common vent
What is the minimum size of the drain located at 7? 1 1/4"
What is the minimum size of the drain located at 4? 2"
Update Guaranteed Success
The minimum service pressure at the point of outlet discharge shall be not less than___ when
supplying direct flush valves 15psi
Plastic water service piping shall be rated at 160 psi at 73 degrees
A water main is: A water supplying pipe for public use.
The minimum size of a floor drain is 2"
Crown vents are prohibited by the Code. Which of the following is considered a crown vent?
A back vent within 2 pipe diameters of the trap weir.
The maximum fall in a 4 inch trap arm from the trap to the vent is: I. Two pipe diameters
II. 18 inches
Neither I. or II.
The code accepted minimum diameter of the water supply branch to a flush valve urinal is:
3/4"
To meet code, a three story building having tank-type flush water closets must have a minimum
pressure of___psi on the third floor. 8
The maximum length of a residential 2" trap arm with a 2" trap to the vent is 8 feet
, An individual vent serving a four inch diameter fixture drain must be located a minimum of how
many inches from the trap? Minimum 2 pipe diameters
8"
In accordance with code, find the minimum fall per 100 feet of a horizontal building sewer 4" in
diameter 1/8" fall per foot.
2.5" fall per 20 ft.
2.5 X 5 = 12.5"
The minimum size for a building sewer is 4"
Copper-alloy tubing used for water distribution must meet the___standards ASTM
According to code, vent piping installed underground shall not be__ Galvanized wrought
iron
Which of the following fittings is not normally a part of the sanitary drainage system? a.
cleanout tee c. 1/8 bend
b. elbow d. wye B.
For a pump discharging continuously to a drainage system at 20 gpm,____d.f.u.'s should be
allowed if located in the basement of a residential house. 40
What is the v?enting method used for drawing 1 Common vent
What is the minimum size of the drain located at 7? 1 1/4"
What is the minimum size of the drain located at 4? 2"
