Welcome to your Plumbing License Practice Quiz, please enter your email address to begin

Which of the following are not allowed for use when changing a 3" drain's direction horizontal to horizontal?
Add description here!
A fixture with a continuous flow of 2 gpm has the equivalent of _______ drainage fixture units.
An eight inch stack is required to drain 2400 drainage fixture units form a four story building. Since the fourth story has only 58 drainage fixture units, the stack serving that story may be reduced to ______ inches.
A gas fired water heater, listed and labeled as resistant to flammable vapor ignition, may be installed...
The velocity of 18 gpm flowing in a 3/4" smooth pipe is about ______ feet per second
When sizing a piping system, the minimum flow rate for a shower is ______ gpm.
How many eight bends are required to make a 45 degree turn?
All plastic pipe fittings and components shall be third party certified as conforming to ________?
Using 150 feet of 3/4" smooth pipe type L, what is the approximate pressure drop if 10 gpm is to be delivered?
The measured length of a sump vent is 75 feet. What is the assumed developed length if allowances for entrance losses, friction dur to fittings, changes indirection and diameter are not available.
The diameter of a stack vent with a developed length of 78 feet and connected to a 3 inch waste stack handling 27 drainage fixture units is _____ inches
When selecting a sleeve for a 2 inch pipe passing through a foundation wall, the sleeve must be ____ diameter.
All indirect waste piping that exceed ____ feet in developed length, measured horizontally, shall be trapped.
A drainage branch pipe extending laterally from a soil or waste stack, that received the discharge from two or more fixtures is called a __________?
A building requiring 5 drinking fountains may substitute a maximum of _____ fountains with bottled water dispensers.
A bathroom requiring 5 water closets may substitute _____ water closets with urinals.
Piping that passes through concrete walls shall be protected by a sleeve with a minimum thickness of ______.
The vertical distance from the fixture outlet to the trap weir shall not exceed ______ inches.
The area to be serviced by an oil separator in a service station is 300 square ft. What is the minimum of the oil separator?
Showers washer outlets shall have a removable strainer, not less than _____ inches in diameter.