Just Venting
This is what venting stops.
What is siphoning of traps and seals
An MJ fitting is used in what type of piping
Cast iron/drainage piping
If a pressure gauge reads 14.73 psig, what would the absolute pressure be approximately:
29.46 psia
"vitrified"
glasslike
Hydrostatic pressure tests on potable water lines shall be conducted using this type of water
Potable
The vents for a gasoline or oil interceptor shall terminate directly in open air and:
one 12" above the other
Cast Iron ductile pipe is lined with this ____ to help prevent corrosion
What is cement
A multistage submersible pump would commonly be which one of the following types of pumps
centrifugal type pump
The name given to a pipe coupling that has bolts running parallel to the pipe to hold it together is called:
What is a dresser coupling
Hydrostatic pressure tests on potable water lines shall be conducted using potable water.
19.53 psi
Momentum siphonage of a trap is caused by
the movement of water through a trap such as an "S" trap
a pipe connecting a trap to another part of the drainage system
What is a fixture drain
A piston pump is a?
a non-positive displacement pump
The thread used on a standard pipe and fittings is called:
What is NPT
In the formula P = H x D What does the D stand for
D = density of water per cubic inch
the movement of water through a trap such as an "S" trap
1 1/2 inch
The horizontal piping, including any vertical offset that conducts sewage, clear-water waste or storm water to a building sewer is known as
What is a building drain
The vertical water distribution pipes in a building are referred to as
What are risers
The letters "W.O.G." stamped on a valve body would mean:
water, oil and gas
total number of lbs. force on a surface area
What is total force
The size of a branch vent is determined by its hydraulic load and
its developed length from its upper end to the furthest waste connection
This term means a vent pipe that is connected at its upper end to a vent header or is terminated in open air and is used to limit pressure differential in a soil-or-waste stack?
What is a vent stack
A pump that delivers a pressure of 40 psi would pump water
92ft
This describes the property which allows a metal to be drawn into a wire?
ductility
This is installed to stop the pump from starting and stopping frequently
What is a pressure tank