TEXAS MASTER PLUMBING TEST
BANK 2026 ACTUAL QUESTIONS AND
SOLUTIONS GRADED A+
◉ branch . Answer: any part of the piping system other than a main,
riser or stack
◉ Branch vent . Answer: A vent connecting one or more individual
vents with a vent stack or stack vent
◉ Building Drain . Answer: is the lowest part of the drainage system
which receives waste from soil and waste pipes and connects to the
building sewer
◉ Building sewer . Answer: is drainage piping that conveys waste
from the building drain to the public sewer or disposal system
◉ Cleanout . Answer: Access opening in the drainage system used to
remove obstructions
◉ Combination fixture . Answer: Two or three compartment sink
drained by a continuous waste connected to one trap
, ◉ Combination Waste and Vent system . Answer: A horizontal wet
venting system for sinks and floor drains
◉ Common Vent . Answer: A single vent serving as the vent for two
fixture drains
◉ critical level . Answer: is an elevation mark on a vacuum breaker
setting the minimum elevation the device can be installed above the
flood level rim of a fixture
◉ cross-connection . Answer: is an actual or potential tie between
potable water and any source of pollution or contamination
◉ Developed Length . Answer: A measurement of piping taken along
the centerline of pipe and fittings
◉ drain . Answer: Any pipe that conveys waste water in the drainage
system
◉ Indirect Waste . Answer: Is waste pipe that drains through an air
gap to the drainage system
◉ Individual vent . Answer: A pipe installed to vent one fixture trap.
It may connect to the vent system above the fixture or terminate in
the open air.
BANK 2026 ACTUAL QUESTIONS AND
SOLUTIONS GRADED A+
◉ branch . Answer: any part of the piping system other than a main,
riser or stack
◉ Branch vent . Answer: A vent connecting one or more individual
vents with a vent stack or stack vent
◉ Building Drain . Answer: is the lowest part of the drainage system
which receives waste from soil and waste pipes and connects to the
building sewer
◉ Building sewer . Answer: is drainage piping that conveys waste
from the building drain to the public sewer or disposal system
◉ Cleanout . Answer: Access opening in the drainage system used to
remove obstructions
◉ Combination fixture . Answer: Two or three compartment sink
drained by a continuous waste connected to one trap
, ◉ Combination Waste and Vent system . Answer: A horizontal wet
venting system for sinks and floor drains
◉ Common Vent . Answer: A single vent serving as the vent for two
fixture drains
◉ critical level . Answer: is an elevation mark on a vacuum breaker
setting the minimum elevation the device can be installed above the
flood level rim of a fixture
◉ cross-connection . Answer: is an actual or potential tie between
potable water and any source of pollution or contamination
◉ Developed Length . Answer: A measurement of piping taken along
the centerline of pipe and fittings
◉ drain . Answer: Any pipe that conveys waste water in the drainage
system
◉ Indirect Waste . Answer: Is waste pipe that drains through an air
gap to the drainage system
◉ Individual vent . Answer: A pipe installed to vent one fixture trap.
It may connect to the vent system above the fixture or terminate in
the open air.
