Master Plumber Exam 1 questions with answers

Master Plumber Exam 1 questions with |\ |\ |\ |\ |\ |\




answers

Sewage Ejector - CORRECT ANSWERS ✔✔Type of pump that discharges
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waste in the sump pit and transfers the waste to the house drain. (Max
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Fajardo)



503 mm - CORRECT ANSWERS ✔✔Minimum dimension of a septic tank
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manhole.



Industrial drain - CORRECT ANSWERS ✔✔drain that discharges
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objectionable waste such as acids and other chemicals from industrial
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equipment . |\




75 mm - CORRECT ANSWERS ✔✔Minimum diameter of pipe of any water
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closet.



3 - CORRECT ANSWERS ✔✔Maximum number of water closets able to
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discharge into a shared 75mm diameter horizontal soil branch
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Combination Sewer - CORRECT ANSWERS ✔✔Type of sewer that|\ |\ |\ |\ |\ |\ |\ |\ |\



discharges both storm water and sewage from households, rendered obsolete
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due to the health hazards it poses
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,Septic Tank - CORRECT ANSWERS ✔✔Airtight receptacle used to expedite
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the decomposition of elements contained in raw sewage, usually located 1.5
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meters from the property line and 15.2 meters from the water main or any
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potable water source. It is comprised of two chambers that contain anaerobic
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bacteria that break down wastes.
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Sedimentation - CORRECT ANSWERS ✔✔Term defined as the settling |\ |\ |\ |\ |\ |\ |\ |\ |\



down or separation of solid matter suspended in a liquid.
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1% - CORRECT ANSWERS ✔✔Minimum slope or grade (in %) permitted
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with 100mm (4'') pipes.
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Scum - CORRECT ANSWERS ✔✔Lighter organic solid particles found in
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sewage, cesspools and septic tanks, found floating on the liquid.
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Sludge - CORRECT ANSWERS ✔✔Term defined as the organic particles that
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have settled down in septic tanks, cesspools or sewage.
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900 mm - CORRECT ANSWERS ✔✔Minimum WIDTH of a septic tank for
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residential dwellings. (mm) |\ |\




1500 mm - CORRECT ANSWERS ✔✔Minimum LENGTH of a septic tank
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for residential dwellings. (mm)
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1200 mm - CORRECT ANSWERS ✔✔Minimum DEPTH of a septic tank for
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residential dwellings. (mm) |\ |\

,Hair - CORRECT ANSWERS ✔✔Leading cause of pipe clogs in waste and
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soil pipes.
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Drainage, Waste and Vent - CORRECT ANSWERS ✔✔Definition of DWV
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Acrylonitrile butadiene styrene - CORRECT ANSWERS ✔✔Definition of
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ABS



Oval - CORRECT ANSWERS ✔✔Cross sectional shape of the interior of
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Polybutene pipes (PB). |\ |\




38 mm - CORRECT ANSWERS ✔✔Minimum size of cleanouts. (mm)
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Corporation Stop - CORRECT ANSWERS ✔✔Type of valve found in the
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service main, used as a control of the water service and shut off valve when
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service is disconnected. |\ |\




Check Valve - CORRECT ANSWERS ✔✔Type of valve used to prevent
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backflow or reversal of flow of water, usually found after the water meter.
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Union Patente - CORRECT ANSWERS ✔✔Fitting used to describe the
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connection of the service pipe and water meter. Usually used as the
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demarcation between the property of the water service and water supply pipe
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system residential dwelling or building.
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, Booster Pump / Pneumatic Pump - CORRECT ANSWERS ✔✔Type of pump
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used to distribute water within a building or residence, when an upfeed
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system cannot provide adequate pressure to supply fixtures with potable
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water.



Durham System - CORRECT ANSWERS ✔✔Type of piping system that is
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characterized by threading and connecting cast iron pipes in the building.
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Teflon Tape - CORRECT ANSWERS ✔✔Material used to fuse joints or
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connections of GI pipes. |\ |\ |\




Caulking - CORRECT ANSWERS ✔✔Process of joining the joints and
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connections of cast iron pipes. |\ |\ |\ |\




Motor Oil - CORRECT ANSWERS ✔✔Type of oil used when threading GI
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pipes.



Centrifugal Pump - CORRECT ANSWERS ✔✔Type of pump used for high-
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rise or mid-rise buildings, when booster or piston pumps are unavailable or
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inadequate.



Piston Pump - CORRECT ANSWERS ✔✔Type of pump used for residential
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or low-rise buildings, and comes in single action, double action or twin.
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Drum Trap - CORRECT ANSWERS ✔✔Type of trap that is installed only in
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bathtubs.