MASTER PLUMBER - NATIONAL EXAM -
PLUMBING CODE QUESTIONS AND
ANSWERS
Durham System - Answer-Type of piping system that is characterized by threading and
connecting cast iron pipes in the building.
Teflon Tape - Answer-Material used to fuse joints or connections of GI pipes.
Caulking - Answer-Process of joining the joints and connections of cast iron pipes.
Motor Oil - Answer-Type of oil used when threading GI pipes.
Centrifugal Pump - Answer-Type of pump used for high-rise or mid-rise buildings, when
booster or piston pumps are unavailable or inadequate.
Piston Pump - Answer-Type of pump used for residential or low-rise buildings, and
comes in single action, double action or twin.
Drum Trap - Answer-Type of trap that is installed only in bathtubs.
Flushometer Valve - Answer-Type of flushing valve used in commercial water closets,
usually installed with a pressure tank that expels air pressure and a set amount of water
when flushing.
14 - Answer-Number of teeth per inch in a hacksaw blade used to cut GI pipes.
Looped Vent - Answer-Type of vent used in an island counter type kitchen sink.
Trap Seal - Answer-Maximum vertical depth of liquid that a trap can contain.
Sump Pit - Answer-Type of detention pit usually found in basements, used to gather and
discharge waste water, sometimes with the help of a pump.
Standpipe - Answer-Vertical pipe that is used for the storage of water, usually contains
pressure and is used for fire suppression.
Return Bend - Answer-Type of pipe with a 180 degree bend.
2 - Answer-Water Supply Fixture unit of a bath tub.
2 - Answer-Water Supply Fixture unit of a shower
PLUMBING CODE QUESTIONS AND
ANSWERS
Durham System - Answer-Type of piping system that is characterized by threading and
connecting cast iron pipes in the building.
Teflon Tape - Answer-Material used to fuse joints or connections of GI pipes.
Caulking - Answer-Process of joining the joints and connections of cast iron pipes.
Motor Oil - Answer-Type of oil used when threading GI pipes.
Centrifugal Pump - Answer-Type of pump used for high-rise or mid-rise buildings, when
booster or piston pumps are unavailable or inadequate.
Piston Pump - Answer-Type of pump used for residential or low-rise buildings, and
comes in single action, double action or twin.
Drum Trap - Answer-Type of trap that is installed only in bathtubs.
Flushometer Valve - Answer-Type of flushing valve used in commercial water closets,
usually installed with a pressure tank that expels air pressure and a set amount of water
when flushing.
14 - Answer-Number of teeth per inch in a hacksaw blade used to cut GI pipes.
Looped Vent - Answer-Type of vent used in an island counter type kitchen sink.
Trap Seal - Answer-Maximum vertical depth of liquid that a trap can contain.
Sump Pit - Answer-Type of detention pit usually found in basements, used to gather and
discharge waste water, sometimes with the help of a pump.
Standpipe - Answer-Vertical pipe that is used for the storage of water, usually contains
pressure and is used for fire suppression.
Return Bend - Answer-Type of pipe with a 180 degree bend.
2 - Answer-Water Supply Fixture unit of a bath tub.
2 - Answer-Water Supply Fixture unit of a shower
