TEXAS PLUMBING TRADESMAN EXAM
QUESTIONS AND ANSWERS
FIXTURE DRAIN - Answer-Conveys the discharge of only a single trap and can consist
of both horizontal and vertical sections of pipe.
Fixture Supply - Answer-water supply pipe connecting the fixture with the fixture branch
Flood level rim - Answer-The edge of the receptacle from which water overflows
Horizontal pipe - Answer-Pipe or fitting that is installed in a horizontal position, angle of
less than 45 deg with the horizontal plane.
Indirect Waste Pipe - Answer-A waste pipe that DOES NOT CONNECT DIRECTLY with
the drainage system but that discharges into the drainage system through an air break
or gap into a trap..
Individual vent - Answer-A pipe installed to vent a fixture trap and that connects with the
vent system above the fixture served or terminates in the open air
LEAD-FREE PIPE AND FITTINGS - Answer-Containing not more
than 8.0 percent lead.
LEAD-FREE SOLDER AND FLUX - Answer-Containing not more
than 0.2 percent lead
Main - Answer-The principal pipe artery to which branches are connected.
Nonpotable Water - Answer-Water not safe for drinking, personal, or culinary utilization.
offset - Answer-Combination of approved bends that make two changes in direction
bringing one section of the pipe out of line but into a line parallel with the other section.
Relief Vent - Answer-A vent with a function to provide circulation if air between drainage
and vent system.
Rough in - Answer-Installation of all parts of the plumbing system which can be
completed prior to the installation of fixtures
Soil Pipe - Answer-A pipe that conveys sewage containing fecal matter to the building
drain or building sewer.
stack - Answer-Any vertical line of soil, waste, vent, or inside conductor piping that
extends through at least one story.
, Stack Vent - Answer-The extension of a soil or waste stack above the highest horizontal
drain connected to the stack.
tempered water - Answer-Water having a temperature range
between 85°F and 110°F
trap - Answer-A fitting or device that provides a liquid seal to prevent the emission of
sewer gases without materially affecting the flow of sewage or wastewater through the
trap.
vacuum - Answer-Any pressure less than that exerted by the atmosphere.
Vertical pipe - Answer-any pipe or fitting installed in a vertical position or which forms an
angle of not more than 45 degrees with the vertical plane.
Water Hammer Arrestor - Answer-A device utilized to absorb the pressure surge (water
hammer) that occurs when
water flow is suddenly stopped in a water supply system.
Yoke vent - Answer-A pipe connecting upward from a soil or waste stack to a vent stack
for the purpose of preventing pressure changes in the stack
18 inches - Answer-The minimum height for a standpipe for a washing machine?
110 F - Answer-The discharge water temperature from a bidet fitting shall be limited to a
maximum temperature of?
Legionella - Answer-Warm water organisms usually found in surface waters of lakes,
ponds, rivers, and streams.
Lowest point to at least 10 feet head - Answer-Building sewers shall be tested by
completely filling the sewer with water from the
Drain outlet or tailpiece of the fixture - Answer-No indirect waste pipe need to be larger
in diameter than the?
4.33 PSI - Answer-The pressure at the base of a column of water 10 feet high is?
The furthest outlet on the system - Answer-Incising gas piping the length used is
measured from the meter to?
Flush valve - Answer-A device located at the bottom of the tank for the purpose of
flushing water closets is?
QUESTIONS AND ANSWERS
FIXTURE DRAIN - Answer-Conveys the discharge of only a single trap and can consist
of both horizontal and vertical sections of pipe.
Fixture Supply - Answer-water supply pipe connecting the fixture with the fixture branch
Flood level rim - Answer-The edge of the receptacle from which water overflows
Horizontal pipe - Answer-Pipe or fitting that is installed in a horizontal position, angle of
less than 45 deg with the horizontal plane.
Indirect Waste Pipe - Answer-A waste pipe that DOES NOT CONNECT DIRECTLY with
the drainage system but that discharges into the drainage system through an air break
or gap into a trap..
Individual vent - Answer-A pipe installed to vent a fixture trap and that connects with the
vent system above the fixture served or terminates in the open air
LEAD-FREE PIPE AND FITTINGS - Answer-Containing not more
than 8.0 percent lead.
LEAD-FREE SOLDER AND FLUX - Answer-Containing not more
than 0.2 percent lead
Main - Answer-The principal pipe artery to which branches are connected.
Nonpotable Water - Answer-Water not safe for drinking, personal, or culinary utilization.
offset - Answer-Combination of approved bends that make two changes in direction
bringing one section of the pipe out of line but into a line parallel with the other section.
Relief Vent - Answer-A vent with a function to provide circulation if air between drainage
and vent system.
Rough in - Answer-Installation of all parts of the plumbing system which can be
completed prior to the installation of fixtures
Soil Pipe - Answer-A pipe that conveys sewage containing fecal matter to the building
drain or building sewer.
stack - Answer-Any vertical line of soil, waste, vent, or inside conductor piping that
extends through at least one story.
, Stack Vent - Answer-The extension of a soil or waste stack above the highest horizontal
drain connected to the stack.
tempered water - Answer-Water having a temperature range
between 85°F and 110°F
trap - Answer-A fitting or device that provides a liquid seal to prevent the emission of
sewer gases without materially affecting the flow of sewage or wastewater through the
trap.
vacuum - Answer-Any pressure less than that exerted by the atmosphere.
Vertical pipe - Answer-any pipe or fitting installed in a vertical position or which forms an
angle of not more than 45 degrees with the vertical plane.
Water Hammer Arrestor - Answer-A device utilized to absorb the pressure surge (water
hammer) that occurs when
water flow is suddenly stopped in a water supply system.
Yoke vent - Answer-A pipe connecting upward from a soil or waste stack to a vent stack
for the purpose of preventing pressure changes in the stack
18 inches - Answer-The minimum height for a standpipe for a washing machine?
110 F - Answer-The discharge water temperature from a bidet fitting shall be limited to a
maximum temperature of?
Legionella - Answer-Warm water organisms usually found in surface waters of lakes,
ponds, rivers, and streams.
Lowest point to at least 10 feet head - Answer-Building sewers shall be tested by
completely filling the sewer with water from the
Drain outlet or tailpiece of the fixture - Answer-No indirect waste pipe need to be larger
in diameter than the?
4.33 PSI - Answer-The pressure at the base of a column of water 10 feet high is?
The furthest outlet on the system - Answer-Incising gas piping the length used is
measured from the meter to?
Flush valve - Answer-A device located at the bottom of the tank for the purpose of
flushing water closets is?
