Plumbing Test 2024
Since sewer gas is foul smelling, a vent terminal should be located at least 10' from
windows, doors, or other ventilation openings - answer True
Plumbing code requires all underground drainage pipes to be at least 2" in diameter -
answer True
A T&P valve must be able to release high temperature water at a rate equal to or faster
than the rate at which the water heater can generate it - answer True
Projected roof area is a primary factor in determining size of building storm drains and
rainwater leaders - answer True
Pressure loss due to friction increases as more pipe, fittings, valves and other devices
are installed in the water supply system - answer True
Type K copper tube has the thickest wall, followed by type L, type M, and type DWV
with type L having the thinnest wall - answer False
A ___________, or shock absorber, is a device installed on water supply pipe near the
fixture with the quick-closing valve to control the effects of hammering - answerWater
hammer arrestor
______ water is water that is free from impurities which could cause disease or harmful
physiological effects - answerPotable
A ______ piping drawing is a two-dimensional drawing of a piping system without
regard to scale and exact location of the fixtures shown on the drawing -
answerSchematic
______ are used to convey water to fixtures - answerAll of these
A ______ drain is a cast iron or plastic fixture set flush with the finished floor used to
receive water drained from a three compartment sink and convey it to the drainage
system - answerFloor sink
An _________ piping drawing is a three-dimensional drawing of a plumbing system -
answerIsometric
A plumbing apprenticeship ____________ - answerAll of these
Since sewer gas is foul smelling, a vent terminal should be located at least 10' from
windows, doors, or other ventilation openings - answer True
Plumbing code requires all underground drainage pipes to be at least 2" in diameter -
answer True
A T&P valve must be able to release high temperature water at a rate equal to or faster
than the rate at which the water heater can generate it - answer True
Projected roof area is a primary factor in determining size of building storm drains and
rainwater leaders - answer True
Pressure loss due to friction increases as more pipe, fittings, valves and other devices
are installed in the water supply system - answer True
Type K copper tube has the thickest wall, followed by type L, type M, and type DWV
with type L having the thinnest wall - answer False
A ___________, or shock absorber, is a device installed on water supply pipe near the
fixture with the quick-closing valve to control the effects of hammering - answerWater
hammer arrestor
______ water is water that is free from impurities which could cause disease or harmful
physiological effects - answerPotable
A ______ piping drawing is a two-dimensional drawing of a piping system without
regard to scale and exact location of the fixtures shown on the drawing -
answerSchematic
______ are used to convey water to fixtures - answerAll of these
A ______ drain is a cast iron or plastic fixture set flush with the finished floor used to
receive water drained from a three compartment sink and convey it to the drainage
system - answerFloor sink
An _________ piping drawing is a three-dimensional drawing of a plumbing system -
answerIsometric
A plumbing apprenticeship ____________ - answerAll of these
