Texas Plumbing Tradesman Exam Questions and Answers
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Course
Plumbing
Institution
Plumbing
Access cover - Answer-A removable plate, usually secured by bolts or screws, to permit access to a pipe or pipe fitting for the purpose of inspection, repair or cleaning.
Air Admittance Valve (AAV) - Answer-One-way valve designed to allow air to enter the plumbing drainage system when negative p...
Texas Plumbing Tradesman Exam
Questions and Answers
Access cover - Answer-A removable plate, usually secured by bolts or screws, to permit
access to a pipe or pipe fitting for the purpose of inspection, repair or cleaning.
Air Admittance Valve (AAV) - Answer-One-way valve designed to allow air to enter the
plumbing drainage system when negative pressure develops in the piping system.
Air Break (Drainage System) - Answer-An arrangement in which a discharge pipe from
a fixture, appliance or device drains indirectly into a receptor below the flood-level rim of
the receptor, and above the trap seal.
air gap - Answer-Indirect waste arrangement where the waste is discharged to the
drainage system through piping that terminates at a specific distance above the flood
level rim. ( 2 times the pipe size, never less than 1 inch)
Area Drain - Answer-A receptor designed to collect surface or storm water from an open
area
Backflow - Answer-Unwanted reverse flow of contaminants through a cross-connection
into a potable water system. It occurs when the pressure in the potable water supply
drops below the pressure of the contaminated supply.
Back siphonage - Answer-backflow due to negative pressure
Back water valve - Answer-a device installed in a drainage system to prevent reverse
flow .
branch - Answer-any part of the piping system other than a main, riser or stack.
Branch interval - Answer-A VERTICAL LENGTH OF SOIL OR WASTE STACK at least
8 ft in height, between the connections of horizontal branches to a drainage system.
Branch vent - Answer-A vent connecting one or more individual vents with a vent stack
or stack vent
Building Drain - Answer-That part of the lowest piping of a drainage system that
receives the drainage from soil, waste, and other drainage pipes inside and extends 2 to
5 feet beyond the exterior of the building.
Building sewer - Answer-"That part of the drainage system that extends from the end of
the building drain and conveys its discharge to the public sewer,
private sewer, individual sewage disposal system or other appropriate
, point of disposal."
Cleanout - Answer-An access opening in the drainage system utilized for the removal of
obstructions.
conductor - Answer-A pipe inside the building that conveys storm water from the roof to
a storm drain.
contamination - Answer-And impairment of the quality of the potable water that creates
an actual hazard to the public health
cross-connection - Answer-Physical link between safe water and dirty water
FIXTURE BRANCH - Answer-A drain serving two or more fixtures
that discharges to another drain or to a stack.
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.
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