Master Plumber Exam 1 With Solutions
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Sedimentation Term defined as the settling down or separation of solid matter suspended
in a liquid.
1% Minimum slope or grade (in %) permitted with 100mm (4'') pipes.
Scum Lighter organic solid particles found in sewage, cesspools and septic ...
Sedimentation Term defined as the settling down or separation of solid matter suspended
in a liquid.
1% Minimum slope or grade (in %) permitted with 100mm (4'') pipes.
Scum Lighter organic solid particles found in sewage, cesspools and septic tanks, found
floating on the liquid.
Sludge Term defined as the organic particles that have settled down in septic tanks,
cesspools or sewage.
900 mm Minimum WIDTH of a septic tank for residential dwellings. (mm)
1500 mm Minimum LENGTH of a septic tank for residential dwellings. (mm)
1200 mm Minimum DEPTH of a septic tank for residential dwellings. (mm)
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Hair Leading cause of pipe clogs in waste and soil pipes.
Drainage, Waste and Vent Definition of DWV
Acrylonitrile butadiene styrene Definition of ABS
Oval Cross sectional shape of the interior of Polybutene pipes (PB).
38 mm Minimum size of cleanouts. (mm)
Corporation Stop Type of valve found in the service main, used as a control of the water
service and shut off valve when service is disconnected.
Check Valve Type of valve used to prevent backflow or reversal of flow of water, usually
found after the water meter.
, Master Plumber Exam 1 With Solutions
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Union Patente Fitting used to describe the connection of the service pipe and water meter.
Usually used as the demarcation between the property of the water service and water supply pipe
system residential dwelling or building.
Booster Pump / Pneumatic Pump Type of pump used to distribute water within a building
or residence, when an upfeed system cannot provide adequate pressure to supply fixtures with
potable water.
Durham System Type of piping system that is characterized by threading and connecting
cast iron pipes in the building.
Teflon Tape Material used to fuse joints or connections of GI pipes.
Caulking Process of joining the joints and connections of cast iron pipes.
Motor Oil Type of oil used when threading GI pipes.
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Centrifugal Pump Type of pump used for high-rise or mid-rise buildings, when booster or
piston pumps are unavailable or inadequate.
Piston Pump Type of pump used for residential or low-rise buildings, and comes in single
action, double action or twin.
Drum Trap Type of trap that is installed only in bathtubs.
Flushometer Valve 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 Number of teeth per inch in a hacksaw blade used to cut GI pipes.
Looped Vent Type of vent used in an island counter type kitchen sink.
Trap Seal Maximum vertical depth of liquid that a trap can contain.
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