MASTER PLUMBER CERTIFICATION
REVIEW SHEET 2026 FULL
QUESTIONS AND ACCURATE
ANSWERS
◉ 503 mm. Answer: Minimum dimension of a septic tank manhole.
◉ Industrial drain. Answer: drain that discharges objectionable waste
such as acids and other chemicals from industrial equipment .
◉ 75 mm. Answer: Minimum diameter of pipe of any water closet.
◉ 3. Answer: Maximum number of water closets able to discharge into a
shared 75mm diameter horizontal soil branch
◉ Combination Sewer. Answer: Type of sewer that discharges both
storm water and sewage from households, rendered obsolete due to the
health hazards it poses
◉ Septic Tank. Answer: Airtight receptacle used to expedite the
decomposition of elements contained in raw sewage, usually located 1.5
meters from the property line and 15.2 meters from the water main or
any potable water source. It is comprised of two chambers that contain
anaerobic bacteria that break down wastes.
,◉ Sedimentation. Answer: Term defined as the settling down or
separation of solid matter suspended in a liquid.
◉ 1%. Answer: Minimum slope or grade (in %) permitted with 100mm
(4'') pipes.
◉ Scum. Answer: Lighter organic solid particles found in sewage,
cesspools and septic tanks, found floating on the liquid.
◉ Sludge. Answer: Term defined as the organic particles that have
settled down in septic tanks, cesspools or sewage.
◉ 900 mm. Answer: Minimum WIDTH of a septic tank for residential
dwellings. (mm)
◉ 1500 mm. Answer: Minimum LENGTH of a septic tank for
residential dwellings. (mm)
◉ 1200 mm. Answer: Minimum DEPTH of a septic tank for residential
dwellings. (mm)
◉ Hair. Answer: Leading cause of pipe clogs in waste and soil pipes.
◉ Drainage, Waste and Vent. Answer: Definition of DWV
,◉ Acrylonitrile butadiene styrene. Answer: Definition of ABS
◉ Oval. Answer: Cross sectional shape of the interior of Polybutene
pipes (PB).
◉ 38 mm. Answer: Minimum size of cleanouts. (mm)
◉ Corporation Stop. Answer: 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. Answer: Type of valve used to prevent backflow or
reversal of flow of water, usually found after the water meter.
◉ Union Patente. Answer: 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. Answer: 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. 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.
REVIEW SHEET 2026 FULL
QUESTIONS AND ACCURATE
ANSWERS
◉ 503 mm. Answer: Minimum dimension of a septic tank manhole.
◉ Industrial drain. Answer: drain that discharges objectionable waste
such as acids and other chemicals from industrial equipment .
◉ 75 mm. Answer: Minimum diameter of pipe of any water closet.
◉ 3. Answer: Maximum number of water closets able to discharge into a
shared 75mm diameter horizontal soil branch
◉ Combination Sewer. Answer: Type of sewer that discharges both
storm water and sewage from households, rendered obsolete due to the
health hazards it poses
◉ Septic Tank. Answer: Airtight receptacle used to expedite the
decomposition of elements contained in raw sewage, usually located 1.5
meters from the property line and 15.2 meters from the water main or
any potable water source. It is comprised of two chambers that contain
anaerobic bacteria that break down wastes.
,◉ Sedimentation. Answer: Term defined as the settling down or
separation of solid matter suspended in a liquid.
◉ 1%. Answer: Minimum slope or grade (in %) permitted with 100mm
(4'') pipes.
◉ Scum. Answer: Lighter organic solid particles found in sewage,
cesspools and septic tanks, found floating on the liquid.
◉ Sludge. Answer: Term defined as the organic particles that have
settled down in septic tanks, cesspools or sewage.
◉ 900 mm. Answer: Minimum WIDTH of a septic tank for residential
dwellings. (mm)
◉ 1500 mm. Answer: Minimum LENGTH of a septic tank for
residential dwellings. (mm)
◉ 1200 mm. Answer: Minimum DEPTH of a septic tank for residential
dwellings. (mm)
◉ Hair. Answer: Leading cause of pipe clogs in waste and soil pipes.
◉ Drainage, Waste and Vent. Answer: Definition of DWV
,◉ Acrylonitrile butadiene styrene. Answer: Definition of ABS
◉ Oval. Answer: Cross sectional shape of the interior of Polybutene
pipes (PB).
◉ 38 mm. Answer: Minimum size of cleanouts. (mm)
◉ Corporation Stop. Answer: 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. Answer: Type of valve used to prevent backflow or
reversal of flow of water, usually found after the water meter.
◉ Union Patente. Answer: 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. Answer: 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. 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.
