Comprehensive Master Plumber Exam
With 100% Verified Questions and Answers.
Current Updated Guide 2026/2027.
Sewage Ejector - ansType of pump that discharges waste in the sump pit and transfers the
waste to the house drain. (Max Fajardo)
503 mm - ansMinimum dimension of a septic tank manhole.
Industrial drain - ansdrain that discharges objectionable waste such as acids and other
chemicals from industrial equipment .
75 mm - ansMinimum diameter of pipe of any water closet.
3 - ansMaximum number of water closets able to discharge into a shared 75mm diameter
horizontal soil branch
Combination Sewer - ansType of sewer that discharges both storm water and sewage from
households, rendered obsolete due to the health hazards it poses
Septic Tank - ansAirtight 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 - ansTerm defined as the settling down or separation of solid matter suspended
in a liquid.
1% - ansMinimum slope or grade (in %) permitted with 100mm (4'') pipes.
Scum - ansLighter organic solid particles found in sewage, cesspools and septic tanks, found
floating on the liquid.
Sludge - ansTerm defined as the organic particles that have settled down in septic tanks,
cesspools or sewage.
900 mm - ansMinimum WIDTH of a septic tank for residential dwellings. (mm)
1500 mm - ansMinimum LENGTH of a septic tank for residential dwellings. (mm)
1200 mm - ansMinimum DEPTH of a septic tank for residential dwellings. (mm)
Hair - ansLeading cause of pipe clogs in waste and soil pipes.
Drainage, Waste and Vent - ansDefinition of DWV
Acrylonitrile butadiene styrene - ansDefinition of ABS
Oval - ansCross sectional shape of the interior of Polybutene pipes (PB).
38 mm - ansMinimum size of cleanouts. (mm)
Corporation Stop - ansType 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 - ansType of valve used to prevent backflow or reversal of flow of water,
usually found after the water meter.
Union Patente - ansFitting 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 - ansType 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 - ansType of piping system that is characterized by threading and connecting
cast iron pipes in the building.
Teflon Tape - ansMaterial used to fuse joints or connections of GI pipes.
Caulking - ansProcess of joining the joints and connections of cast iron pipes.
,Comprehensive Master Plumber Exam
With 100% Verified Questions and Answers.
Current Updated Guide 2026/2027.
Motor Oil - ansType of oil used when threading GI pipes.
Centrifugal Pump - ansType of pump used for high-rise or mid-rise buildings, when booster
or piston pumps are unavailable or inadequate.
Piston Pump - ansType of pump used for residential or low-rise buildings, and comes in
single action, double action or twin.
Drum Trap - ansType of trap that is installed only in bathtubs.
Flushometer Valve - ansType 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 - ansNumber of teeth per inch in a hacksaw blade used to cut GI pipes.
Looped Vent - ansType of vent used in an island counter type kitchen sink.
Trap Seal - ansMaximum vertical depth of liquid that a trap can contain.
Sump Pit - ansType of detention pit usually found in basements, used to gather and discharge
waste water, sometimes with the help of a pump.
Standpipe - ansVertical pipe that is used for the storage of water, usually contains pressure
and is used for fire suppression.
Return Bend - ansType of pipe with a 180 degree bend.
2 - ansWater Supply Fixture unit of a bath tub.
2 - ansWater Supply Fixture unit of a shower
38 mm - ansDiameter of pipe used for bath tub drum traps. (Max Fajardo, p. 172) (mm)
38 mm - ansDiameter of pipe used for wash basins / lavatories. (Max Fajardo, p. 172) (mm)
75 mm - ansDiameter of pipe used for water closets. (Max Fajardo, p. 172) (mm)
50 mm - ansDiameter of pipe used for floor drains. (Max Fajardo, p. 172) (mm)
Bleeder - ansType of connection found in a looped vent, connecting the looped vent pipe to
the waste pipe.
50% - ansPercentage required of liquid flow for a waste or soil pipe to have adequate
drainage or discharge.
Circuit Vent - ansType of vent that connects a battery of fixtures to a stack vent.
Privy - ansA concrete sealed vault with a wooden shelter constructed for the collection of raw
sewage.
Cesspool - ansHole in the ground curbed with stones, bricks, CHB or other materials to allow
raw contaminated sewage to leach into the ground.
Trap Seal Loss - ansA common problem in traps due to inadequate ventilation.
Unit Vent - ansType of vent that is shared by two fixtures of the same type.
Solvent System - ansType of system used in plumbing that eliminates the vent stack, relying
of downward pressure and suction.
The waste and sewage discharges form slug-like (bullet) pressings or pressure.
volume/flow rate - ansFormula for detention time of a tank
national master plumbers association of the philippines - ansNAMPAP
shut off valve - ansa gate valve normally used to shut off flow of water from supply pipe
key cock - ansa faucet normally turned 90 degrees to open or close
indirect system - ansoverhead tank water distribution system is a _____ system
, Comprehensive Master Plumber Exam
With 100% Verified Questions and Answers.
Current Updated Guide 2026/2027.
jack pump - anspump normally used for farm purposes
centrifugal rotary - anspumps with turbines
building design
occupants
heating capacity - ansthings to consider when sizing the hot water tank
4"? - ansminimum house drain diameter
.5 - anspipe sleeves must be ___ x the size of a pipe they protect
lead - anscleanout plugs must be made of
2 - ansminimum " for underground drainage pipe
100 - anstemperature needed to be considered hot water ___ C
bedpan washer - ansaka clinical sink
2 - ansminimum water service connections for hospital
backflow prevention device - anssillcocks require a ____
private water source - ansa well is considered mostly as a ____
6 - ansmaximum distance in ft a 2 in trap from its vent
.02 - ansmaximum allowable % for soldered connections with lead pipe joints
8 - ansmaximum allowable % for soldered connections with lead
12 - ansminimum ' clearance infront of a cleanout
10 - ansminimum ' clearance from a terminal and a window opening in a building
6 - ansmaximum pipe side diameter not needing an effing manhole
1" - ansrecommended size of MWSS for service pipe in 2 storey residential
3/4 - ansminimum water supply size for flush valve urinal
1 - ansminimum water supply pipe diameter size " for flushometer valve water closet
1/2 - ansminimum water supply pipe diameter size " for water closet without flushometer
valve
potability - ansfirst steps in selecting water source
residence - ansclass 1 type occupancy water supply
restricted use - ansclass 2 type occupancy water supply
unrestricted use - ansclass 3 type occupancy water supply
permanent temporary - answhat makes up total hardness
greensand filtraiton - anstreatment of wells for acidity
marblestone filtration - anstreatment for waste water
whitesand filtration - anstreatment for swimming pool treatment
algae - anscause of objectionable tastes and odor of water
service pipe - anspipe from the street water main to the building served
GV WM CV - ansorder of valves for water connection
building supply pipe - anspipe carrying potable water from the water meter to a building or
other point of use or distribution
fixture supply - answater supply pipe connecting the fixture with the fixture branch
unit vent - ansvent installed so that one vent pipe serves two traps
circuit vent - ansa group vent which starts infront of the extreme fixture connection on a
horizontal branch and connects to the vent stack
looped vent - ansvent used for islands and lavatories away from the wall and vent branch
With 100% Verified Questions and Answers.
Current Updated Guide 2026/2027.
Sewage Ejector - ansType of pump that discharges waste in the sump pit and transfers the
waste to the house drain. (Max Fajardo)
503 mm - ansMinimum dimension of a septic tank manhole.
Industrial drain - ansdrain that discharges objectionable waste such as acids and other
chemicals from industrial equipment .
75 mm - ansMinimum diameter of pipe of any water closet.
3 - ansMaximum number of water closets able to discharge into a shared 75mm diameter
horizontal soil branch
Combination Sewer - ansType of sewer that discharges both storm water and sewage from
households, rendered obsolete due to the health hazards it poses
Septic Tank - ansAirtight 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 - ansTerm defined as the settling down or separation of solid matter suspended
in a liquid.
1% - ansMinimum slope or grade (in %) permitted with 100mm (4'') pipes.
Scum - ansLighter organic solid particles found in sewage, cesspools and septic tanks, found
floating on the liquid.
Sludge - ansTerm defined as the organic particles that have settled down in septic tanks,
cesspools or sewage.
900 mm - ansMinimum WIDTH of a septic tank for residential dwellings. (mm)
1500 mm - ansMinimum LENGTH of a septic tank for residential dwellings. (mm)
1200 mm - ansMinimum DEPTH of a septic tank for residential dwellings. (mm)
Hair - ansLeading cause of pipe clogs in waste and soil pipes.
Drainage, Waste and Vent - ansDefinition of DWV
Acrylonitrile butadiene styrene - ansDefinition of ABS
Oval - ansCross sectional shape of the interior of Polybutene pipes (PB).
38 mm - ansMinimum size of cleanouts. (mm)
Corporation Stop - ansType 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 - ansType of valve used to prevent backflow or reversal of flow of water,
usually found after the water meter.
Union Patente - ansFitting 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 - ansType 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 - ansType of piping system that is characterized by threading and connecting
cast iron pipes in the building.
Teflon Tape - ansMaterial used to fuse joints or connections of GI pipes.
Caulking - ansProcess of joining the joints and connections of cast iron pipes.
,Comprehensive Master Plumber Exam
With 100% Verified Questions and Answers.
Current Updated Guide 2026/2027.
Motor Oil - ansType of oil used when threading GI pipes.
Centrifugal Pump - ansType of pump used for high-rise or mid-rise buildings, when booster
or piston pumps are unavailable or inadequate.
Piston Pump - ansType of pump used for residential or low-rise buildings, and comes in
single action, double action or twin.
Drum Trap - ansType of trap that is installed only in bathtubs.
Flushometer Valve - ansType 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 - ansNumber of teeth per inch in a hacksaw blade used to cut GI pipes.
Looped Vent - ansType of vent used in an island counter type kitchen sink.
Trap Seal - ansMaximum vertical depth of liquid that a trap can contain.
Sump Pit - ansType of detention pit usually found in basements, used to gather and discharge
waste water, sometimes with the help of a pump.
Standpipe - ansVertical pipe that is used for the storage of water, usually contains pressure
and is used for fire suppression.
Return Bend - ansType of pipe with a 180 degree bend.
2 - ansWater Supply Fixture unit of a bath tub.
2 - ansWater Supply Fixture unit of a shower
38 mm - ansDiameter of pipe used for bath tub drum traps. (Max Fajardo, p. 172) (mm)
38 mm - ansDiameter of pipe used for wash basins / lavatories. (Max Fajardo, p. 172) (mm)
75 mm - ansDiameter of pipe used for water closets. (Max Fajardo, p. 172) (mm)
50 mm - ansDiameter of pipe used for floor drains. (Max Fajardo, p. 172) (mm)
Bleeder - ansType of connection found in a looped vent, connecting the looped vent pipe to
the waste pipe.
50% - ansPercentage required of liquid flow for a waste or soil pipe to have adequate
drainage or discharge.
Circuit Vent - ansType of vent that connects a battery of fixtures to a stack vent.
Privy - ansA concrete sealed vault with a wooden shelter constructed for the collection of raw
sewage.
Cesspool - ansHole in the ground curbed with stones, bricks, CHB or other materials to allow
raw contaminated sewage to leach into the ground.
Trap Seal Loss - ansA common problem in traps due to inadequate ventilation.
Unit Vent - ansType of vent that is shared by two fixtures of the same type.
Solvent System - ansType of system used in plumbing that eliminates the vent stack, relying
of downward pressure and suction.
The waste and sewage discharges form slug-like (bullet) pressings or pressure.
volume/flow rate - ansFormula for detention time of a tank
national master plumbers association of the philippines - ansNAMPAP
shut off valve - ansa gate valve normally used to shut off flow of water from supply pipe
key cock - ansa faucet normally turned 90 degrees to open or close
indirect system - ansoverhead tank water distribution system is a _____ system
, Comprehensive Master Plumber Exam
With 100% Verified Questions and Answers.
Current Updated Guide 2026/2027.
jack pump - anspump normally used for farm purposes
centrifugal rotary - anspumps with turbines
building design
occupants
heating capacity - ansthings to consider when sizing the hot water tank
4"? - ansminimum house drain diameter
.5 - anspipe sleeves must be ___ x the size of a pipe they protect
lead - anscleanout plugs must be made of
2 - ansminimum " for underground drainage pipe
100 - anstemperature needed to be considered hot water ___ C
bedpan washer - ansaka clinical sink
2 - ansminimum water service connections for hospital
backflow prevention device - anssillcocks require a ____
private water source - ansa well is considered mostly as a ____
6 - ansmaximum distance in ft a 2 in trap from its vent
.02 - ansmaximum allowable % for soldered connections with lead pipe joints
8 - ansmaximum allowable % for soldered connections with lead
12 - ansminimum ' clearance infront of a cleanout
10 - ansminimum ' clearance from a terminal and a window opening in a building
6 - ansmaximum pipe side diameter not needing an effing manhole
1" - ansrecommended size of MWSS for service pipe in 2 storey residential
3/4 - ansminimum water supply size for flush valve urinal
1 - ansminimum water supply pipe diameter size " for flushometer valve water closet
1/2 - ansminimum water supply pipe diameter size " for water closet without flushometer
valve
potability - ansfirst steps in selecting water source
residence - ansclass 1 type occupancy water supply
restricted use - ansclass 2 type occupancy water supply
unrestricted use - ansclass 3 type occupancy water supply
permanent temporary - answhat makes up total hardness
greensand filtraiton - anstreatment of wells for acidity
marblestone filtration - anstreatment for waste water
whitesand filtration - anstreatment for swimming pool treatment
algae - anscause of objectionable tastes and odor of water
service pipe - anspipe from the street water main to the building served
GV WM CV - ansorder of valves for water connection
building supply pipe - anspipe carrying potable water from the water meter to a building or
other point of use or distribution
fixture supply - answater supply pipe connecting the fixture with the fixture branch
unit vent - ansvent installed so that one vent pipe serves two traps
circuit vent - ansa group vent which starts infront of the extreme fixture connection on a
horizontal branch and connects to the vent stack
looped vent - ansvent used for islands and lavatories away from the wall and vent branch
