Plumbing Code Flashcards
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What ancient roman term refers to an individual who worked in
the sanitary field of ancient Rome?
PLUMBARIUS
What is the title given to a person who is a skilled worker in the
field of sanitation?
PLUMBER
NPCP refers to:
NATIONAL PLUMBING
CODE OF THE PHILS.
NPCP is RA___?
IRA 1378
What is the meaning of BOD?
BIOCHEMICAL OXYGEN
DEMAND
Each fixture directly connected to the drainage system shall be
equipped with __________.
WATER SEAL TRAP
Plumbing is defined as the art and science of ___________ pipes,
fixtures and other apparatus.
INSTALLING
What is the general role of Sanitary and Environmental
Engineering?
ENVIRONMENTAL
PROTECTION
This promulgated the design and layout of a plumbing system that
is governed by set of rules
NATIONAL STANDARD PLUMBING CODE (NSPC)
In the 17th century, the English parliamentary passed the first
___________ laws.
PLUMBING APPRENTICE
What period was plumbing revived? It is the period when Europe
was plagued with epidemics.
RENAISSANCE PERIOD
Plumbing shall be installed with due regard to presentation of the
strength of ___________ and prevention of damage to walls and
other surfaces through fixture usage.
STRUCTURAL MEMBERS
In what civilization did the concept and importance of plumbing
became more defined and appreciated?
GRECO-ROMAN
CIVILIZATION
The ability of an area resource system to support the activities of
a given population.
CARRYING CAPACITY
____________ is a part of ecosystem and is the major contributor to pollution of the
environment.
MAN
____________, including fixtures, shall be maintained and properly
usable
PLUMBING SYSTEM
This the pollutant that affects the quality of water due to impact
of Biochemical Oxygen Demand (BOD) discharges, that rises when
temperature rises.
HEAT
An act which regulate the Practice of Sanitary Engineering in the
Philippines.
RA 1364
In 1907, a division of plumbing construction and inspection, with
the city of Manila as a model, was headed by whom?
American Master Plumber
JOHN F. HASS
This act is known as __________ that was approved on June 18,
1955.
SANITARY ENGINEERING
LAW
The liquid and water borne waste derived form the ordinary living
process, free from industrial wastes, and of such character as to
permit satisfactory disposal without special treatment into the public
sewer or by means of private disposal system.
DOMESTIC SEWAGE
When was the Rep. Act No. 1378, also known as the National
Plumbing Code of the Philippines approved?
28-Jun-55
When was the practice of Plumbing in the Philippines initiated?
17th CENTURY
What is the act for Water Quality Management?
ACT 2152
TRUE OR FALSE : Sanitation is the field of public health dealing
with environmental degration and prevention and control of diseases
FALSE
TRUE OR FALSE : The design and layout of plumbing system is
governed by a set of rules promulgated by the National Standard
Plumbing Code (NSPC)
TRUE
Plumbarius is to individual who worked in the sanitary field, while
Plumbum is to ___________.
LEAD – a metal used by
Romans as a plumbing
material
Solid waste, from water closet
SOIL PIPE
Liquid only, fixtures other than WC
WASTE PIPE
is the most satisfactory means of water distribution.
GRAVITATIONAL FLOW
METHOD
In this method of distribution, the excess water pumped during
periods of low consumption is stored in elevated tanks or reservoir.
DISTRIBUTION BY MEANS
OF PUMP
In dual main systems, ____________ are added on the south and
west sides of streets and piping is generally placed beneath
sidewalks.
SERVICE HEADERS
____________, sometimes called arterial mains, for in the
skeleton of the distribution system.
PRIMARY FEEDERS
____________ is used for city water pipes.
CAST IRON PIPES
____________ is used for pipelines, truck mains and inverted
siphon where pressures are high and sizes are large.
STEEL PIPES
____________ a stronger and more elastic type of cast iron used in
newer plumbing installation.
DUCTILE IRON
A chemical reaction which involves the removal of metallic
electrons from metals and formation of more stable compounds.
CORROSION
Consist of a cylinder in which a piston or a plunger moves
backwards and forwards.
RECIPROCATING PUMP
Used to raise water from shallow depths and used most frequently
for individual houses.
HAND PUMP
____________ is a pump that increases the pressure within the
distribution system or raise water to an elevated water storage tank.
BOOSTER PUMP
Pump that lifts surface water and move it to a nearby treatment
plant.
LOW LIFT PUMP
Pump that discharge treated water into arterial mains.
HIGH LIFT PUMP
Used to supply or remove water from a building.
PIPE LINES
Centrifugal casting on metal moulds is sometimes called
____________
DELAVAUD PROCESS
Necessitates a large pipe or conduit so that velocities will be low
but not low enough to allow sedimentation.
INTAKE CONDUIT
Generally, the equalizing volume of a water thank that is about
____________ of the total daily demand.
1/6 to 1/3
In residential areas having houses up to 4 storeys high, the
pressure in the pipes should be between _____________.
1.8 x 105 to 2.8 x 105 N/m2
High service system is high lying areas; while _____________ is to
low lying areas
LOW-SERVICE SYSTEM
TRUE OR FALSE : Water distribution is a network of pumps,
pipelines, storage tanks and appurtenances.
TRUE
It is a special type of underground water that is found on islands
or in the coastal regions near the sea.
FRESH WATER
This should be supplied with water in sufficient volume or at
adequate pressure to enable them to function properly.
PLUMBING FIXTURES
Flush tanks which are directly connected to the potable water
supply system should be equipped with approved
BALL COCKS
_____________ is a junction between water supply systems
through which water from doubtful or unsafe sources may enter an
otherwise safe supply.
CROSS CONNECTION
What are the 3 main sources of water supply?
- RAINWATER
- GROUNDWATER
- SURFACE WATER
_____________ is required to be installed so as to register the
amount of water supplied to a building.
WATER METER
_____________ is used to prevent back siphonage.
VACUUM BREAKER or
BACKFLOW PREVENTER
______________ permits water drawn into a fixture tank or similar
devices to flow back into the supply line by gravity or siphonage.
BACKFLOW
______________ is when water contains visible material in
suspension
TURBIDITY
______________ is caused by material in solution or a colloidal
state should be distinguished from turbidity.
COLOR
The carbonate and bicarbonate of calcium, sodium and magnesium
are the common impurities which cause ______________.
ALKALINITY
_______________ in water causes hardness, and in small amount it
will cause taste, discoloration of clothes and plumbing fixtures and
incrustations in water mains.
IRON
Excavation for the installation of underground water supply piping
should be _____________.
OPEN TRENCH WORK
The proportional change in length corresponding to 1°F change in
temperature is known as the _______________.
COEFFICIENT OF LINEAR
EXPANSION
________________ is water bearing stratum.
AQUIFER
There are two types of well____________ & ____________.
WATER TABLE WELL &
ARTESIAN WELL
The recommended slope for the house drain.
2%
A type of house drain that receives the discharges of sanitary and
domestic waste only.
SANITARY DRAIN
A drainage pipe that carries on is designed to carry human
excretement.
SOIL PIPE
A drainage pipe that carries liquid waste that not include human
excretement.
WASTE PIPE
Water that is safe to drink, pleasant to the taste and usable for
domestic purposes.
POTABLE WATER
A communicable disease which may be transmitted by water
include bacterial, viral and protozoal infections.
WATERBOURNE DISEASES
A water is _____________ when it contains visible material in
suspension.
TURBID
MCL means
MAXIMUM CONTAMINANT
LEVELS
A type of house drain that receives discharges of sanitary as well
as storm water.
COMBINED DRAIN
This type of drain is now considered obsolete and not advisable.
COMBINED DRAIN
In large buildings, _____________ are usually suspended from the
basement ceiling.
HOUSE DRAIN
A cleanout shall be provided on the house drain as near as
possible the ______________ of the building.
FOUNDATION WALL
A kind of drain that should terminate into a separate drainage
system.
INDUSTRIAL DRAIN
The house drain should be provided with adequate number of
CLEANOUTS
The complete PD No. of CODE OF SANITATION OF THE PHILIPPINES.
PD 856
Boating, shooting or fishing should not be allowed within
____________ of the water intake.
200m
TRUE OR FALSE : In changing house drain directions, the branch
shall be run at right angle as a floor drain.
TRUE
TRUE OR FALSE : A cleanout extended above the floor can also be
utilized as floor drain.
FALSE
TRUE OR FALSE : All changes of direction shall be done with short
radius fittings.
FALSE
A concrete vault constructed for the collection of raw sewage
sealed with a wooden shelter.
PRIVY
A receptacle in which liquids are retained for sufficient period to
the deposit settle able material.
CATCH BASIN
A hole in the ground with stone and bricks laid in such manner as
to allow raw contaminated sewage to leach under the surface of the
ground.
CESSPOOL or DRYWELL
The main sewer is financed and maintained by ____________.
GOVERNMENT
____________ is the liquid conveyed by a sewer.
SEWAGE
____________ is water which enters sewers from surface sources
such as graces in manholes, open cleanouts, perforated manhole
covers and roof drains or basement sumps connected to the sewer.
INFLOW
A pipe venting acid waste system.
ACID VENT
A watertight container of sewage.
SEPTIC TANK
A permanently installed mechanical device for removing sewage or
liquid waste from a sump other than ejector.
SEWAGE PUMP
This bacteria functions in absence of free oxygen.
ANAEROBIC BACTERIA
Considered as the oldest type of sewer.
COMBINATION PUBLIC
SEWER
Minimum width for septic tank.
0.90m
That portion of the horizontal drainage system which starts from
the outer face of the building and terminate at the main sewer in
the street or septic tank.
HOUSE SEWER
Sometimes referred to as “the collection line of a plumbing
system.”
HOUSE DRAIN
The septic tank should be double compartment and should be
capable of holding how many times of daily waste water flow.
2.8 - 3.0 TIMES
The complete RA No. of ECOLOGICAL SLOID WASTE MANAGEMENT
ACT 2000.
RA 9003
How many percent of the total sewage solids is organic and
subject to rotting.
50%
TRUE OR FALSE : The minimum depth for septic tank is 1.20m
TRUE
TRUE OR FALSE : No septic tank shall be installed within under a
house.
TRUE
TRUE OR FALSE : Septic tank should be located not less than 15m
away from potable water to prevent contamination.
TRUE
What do you call the drain from the trap of a fixture to the
junction of the drain pipe?
FIXTURE DRAIN
An element composed of an atom of Oxygen and two atoms for
Hydrogen, otherwise known as H2O.
WATER
What is the immersion in a fluid for a definite period of time,
usually expressed as a percent of weight of the dry pipe?
ABSORPTION
This type of storm drain is used in buildings located in congested
business areas.
INSIDE STORM DRAIN
It is that unit of the plumbing system which conveys storm water
to a satisfactory terminal.
STORM DRAIN
It is often referred to as conductor or downspout. It is also the
portion of the storm drainage system which extends between storm drain & the roof terminal
ROOF LEADER
This type of storm drain is advisable on buildings where an ample
amount of ground space between buildings is available.
OUTSIDE STORM DRAIN
A type of storm drain that is suspended from the basement ceiling
by substantial hangers, placed at close intervals, and generally is
adapted to buildings where public storm sewer is not sufficiently
deep in the street.
OVERHEAD STORM DRAIN
This is the type of storm drain located under the basement floor
within the walls of the building and is used in buildings located in
congested business areas.
INSIDE STORM DRAIN
What do you call that unit of the plumbing system which conveys
storm water to a satisfactory terminal?
STORM DRAIN
Rainwater piping should not be used as:
SOIL, WASTE AND VENT
PIPE
Roof drains shall not be made of __________.
IRON
The outside roof leader is located on the _____
OUTSIDE WALL OF THE
BUILDING
The inside roof leader is installed ___________
WITHIN THE BUILDING
WALLS
What do you call the drain from the trap of a fixture to the
junction of the drain pipe?
FIXTURE DRAIN
All storm drains should be graded at least
1⁄4 INCH PER FOOT
This type of terminal should be used only where the public sewer
discharges its contents into a terminal other than a disposal plant.
COMBINATION HOUSE
SEWER
The roof leader is extended _________ through the floors of the
building to a point just below the roof & is then extended _________
to reduce the danger of breakage which may result because of
expansion and contraction of the roof.
VERTICALLY,
HORIZONTALLY
Conductor is to vertical; __________ is to horizontal
GUTTER
Catch basin is a receptacle in which _________ are retained for a sufficient period of time to
allow settle able material to deposit
LIQUID
TRUE OR FALSE : The discharge capacity of the pipe varies
according to its length and grade per foot.
TRUE
TRUE OR FALSE : One factor which makes the sizing of storm drain
difficult is the matter of grouping rainfall over a given period.
TRUE
TRUE OR FALSE : Another element to consider in determining the
size of the drain is the depth of the building.
FALSE
TRUE OR FALSE : The storm drain is connected to the sewer at
right angles by means of a 45° Y and curve assembled in exactly the
same manner as a sanitary house sewer connection.
TRUE
TRUE OR FALSE : The change of direction at the highest point of
the conductor should be made by means of an elbow & 45° fitting.
TRUE
TRUE OR FALSE : The base of the roof leader must be provided
with a concrete or stone foundation.
TRUE
TRUE OR FALSE : If the roof leader is constructed of galvanized
steel, it must be supported at every floor with a pipe rest.
TRUE
TRUE OR FALSE : Horizontal runs may not be suspended from
band iron hangers or steel ring hangers anchored in the structure
FALSE
TRUE OR FALSE : The roof leader is extended vertically through
the floors of the building to a point just below the roof and is then
extended horizontally to reduce the danger of breakage which may
result because of expansion and contraction of the roof.
TRUE
TRUE OR FALSE : A cast-iron strainer basket is attached to the
drain to prevent stones, leaves and other materials from entering the
conductor.
TRUE
TRUE OR FALSE : Roof drains are provided with a copper flashing,
or in some instances, with a cast-iron clamp so that the joint
between the roof and the conductor will be water-tight.
TRUE
TRUE OR FALSE : A roof leader may be terminated by placing a
hub of cast-iron soil pipe flush with the roof.
TRUE
Do appurtenances need direct connection to water supply?
NO
What type of plumbing material is a water heater?
APPLIANCE
What do you call a faucet opened or closed by the fall or rise of a
ball floating on the surface of water?
BALL COCK
What is the most expensive type of all pipes?
BRASS PIPE
What type of pipe is durable and has extreme resistance to
corrosion?
COPPER PIPE
What type of plumbing material is a water closet?
FIXTURE
What type of pipe is the most specified material need for drainage
installation in buildings?
CAST IRON PIPES
What plumbing material receives water-bourn wastes?
FIXTURES
What type of plumbing material is a soap dispenser?
APPURTENANCE
CISPI stands for:
CAST IRON SOIL PIPE
INSTITUTE
“U” in UPVC stands for
UNPLASTICIZED
The use of cast-iron pipes should be limited to buildings
______stories in height.
LESS THAN 25-STORIES
It is a non-metallic plumbing material?
ASBESTOS-CEMENT NON-
PRESSURE SEWER PIPE
Acid-resistant pipe usually is an alloy of cast-iron and
SILICON
A gate valve whose body and bonnet are held together by a “u”
bolt clamp.
CLAMP GATE CALVE
A device that discharges a predetermined quantity of water to
fixtures for flushing purposes.
FLUSHOMETER VALVE
Pipes that are used to underground public sewers, house sewer
and drains. It is made up of clay and also resistant to acids.
VITRIFIED CLAY PIPE
This type of trap is used in many localities where venting is not
required by local ordinances. This device permits the waste to flow
through it rapidly.
DRUM TRAP
A pit for the reception or detention for sewage
Cesspool
A sewer or other pipe or condult used for conveying groundwater, surface water, storm water,
waste water or sewage
Drain
The lowest portion of the inside of any pipe or condult that is not vertical
Invert
An outhouse or structure used for the deposition of excrement
Privy
The solid organic materials being more dense than water, tend to settle to the bottom of the
tank
Sludge
A pipe or opening used for ensuring the circulation of air in a plumbing system and for
reducing the pressure exerted on trap seal
Vent Pipe
A pipe or condult for carrying sewage and liquid waste
Sewer Pipe
All horizontal piping shall be run in practical alignment and at a uniform grade of not less than
____ percent
2%
All Changes in direction shall be made by the appropriate use of 45 deg.
Bends
In plumbing the vent pipe which is connected to the crown
Crown weir
A pipe fitting to join two straight lengths of pipes.
Coupling
Level 3 types of water service refers to:
artesian well
A faucet fitted with nozzle curving downward used as a draw-of trap:
lavatory faucet
One of the first steps in the selection of a suitable water supply source is:
water (potability)
The minimum size of a swimming pool drain:
2”dia
Fluoride as an addictive in water supply is a chemical for:
coagulant
The quality of Galvanized Iron pipes are rated by:
schedule
A pipe fitting to change in one single direction (course) the flow of water:
elbow
Women’s urinal fixture:
bidet
The minimum distance (in meters) of a well from a septic tank.
15 m.
Apiece of pipe threaded outside all through out to connect short runs of two pipe fittings:
nipple
Prevents water hammer:
Float Valve
Theater or movie house’s water requirement is determined or estimated at 5 galloons of water
per day x ____
total number of auditorium
seat
Water well yield is a factor considered to determine the size of:
water pipe
The reference in measuring the depth of a trap seal of the trap:
Crown weir to bottom dip
A pipe fitting shape like letter “S”:
U-trap
The part of a vent line which connects directly with an individual trap underneath or behind the
fixture and extends to the branch or man pipe at any point higher than the fixture trap:
Back vent pipe
The minimum number of water closet unit required for the female population of an elementary
school:
1 per 35
The minimum size of trap and waste branch for a bidet:
2” dia.
A pipe which conveys only liquid waste, free of fecal matter
waste pipe
A general term used for any vertical line of soil, waste, or vent piping:
stack
The minimum slope of a building drain:
1/16 in./ft.
The minimum sized of a trap and waste branch for a pedestal urinal:
2” dia.
The minimum size of a trap and waste branch for a shower stall:
2” dia.
The minimum sized of a trap and waste branch for a size of foot bath:
2” dia.
Black steel pipe with galvanized malleable fitting is ideal for:
Gas Pipe
The minimum number of a urinal fixture required for the male population of both elementary
and secondary school:
1 per 30
The prescribe color coding of piping under refrigerating division of all pipes and fittings:
black
A type of coupling or joining device having internal screw threads or nuts with opposite screws
at the end. By turning the internal screws, it is possible to connect two metal rods and
regulate the length and tension of this rods:
Turnbackle
The first section of water supply piping in a
building after the water meter.
Water distributing pipe
A valve in which the flow of water is cut off by
means of a circular disk that fits against the
valve seat. The plane of movement of the disk
is parallel to the normal direction of flow of
water, which is turned through a tortuous
passage to direct the flow normal to the face of
the disk.
Globe valve
The receptacle in which liquid is retained for deposition of sediment is called?
catch basin
lowest portion of a trap
dip
pipe for wastewater
drain pipe
liquid waste
effluent
These are vertical pipes which receive discharge from water closets.
soil stack
vertical pipe used for the storage of water
standpipe
receptacle for organic discharge
septic tank
accumulated or settled solid waste
sludge
It is a loud thumping noise that results from a sudden stoppage of the flow in water lines.
water hammer
a flange used on a pipe to cover a hole
escutcheon
end of a pipe that fits into a bell
spigot
backflow due to negative pressure
back siphonage
What do you call a vertical pipe installed primarily for the purpose of providing circulation of air
to and from any part of the drainage system?
vent stack
gas, fume or vapor used for the destruction or control of insects
fumigant
vertical pipes which receive discharge from water closets
soil stack
It automatically closes to prevent the flow of fluid in a reverse direction.
check valve
reservoir for liquid
cistern
valve for controlling the flushing of fixtures
flush valve
It is the method of rendering a pipe fitting waterproof by using oakum or lead
caulking
process of injecting chlorine gas into the water
disinfections
Minimum width of a septic tank.
90 cms.
Minimum length of a septic tank.
1.50 mts.
Minimum liquid depth for a septic tank.
70 cms.
Maximum liquid depth for septic tank.
1.80 mts.
Minimum capacity, in cubic meters, of the secondary
compartment of a septic tank.
1.50 cum
Minimum dimension of a manhole access to a septic
tank.
508 mm.
Minimum length of the secondary compartment of a
septic tank with a capacity of more than 6 cubic meters.
1.50 mts.
Minimum distance of a water supply well from a septic
tank.
15.20 mts.
Minimum distance of a water supply well from a
seepage pit or cesspool.
45.70 mts.
Minimum distance of a water supply well from a
disposal field.
30.50 mts.
Minimum height of a water seal for each fixture trap.
51 mm.
Maximum height of a water seal for each fixture trap.
102 mm.
Maximum length of the tailpiece from any fixture.
60 cms.
Minimum trap diameter for a bathtub
38 mm.
Minimum trap diameter for a shower stall.
51 mm
Type of plastic pipe other than polyvinyl chloride and
polybutylene.
Polyethylene
A stop valve placed in the service pipe close to the
connection at the water main.
Corporation Stop
A vent with a function to provide circulation if air
between drainage and vent system
Relief Vent
Flange used on a pipe to cover a hole or opening in a
floor or wall which the pipe pass.
Escutcheon
Length along the centerline of the pipe and fitting.
Developed Length
A valve used in a flush tank controlling the flushing of
fixture.
Flush Valve
Any liquid waste containing animal or vegetable
matter in suspension or solution.
Sewage
Component of fire extinguisher.
Carbon Monoxide
Conveys storm water and terminates into a natural drainage such as lakes or rivers.
Storm Sewer
Standard size of a wet standpipe outlet for each floor.
1 1/2’”
A type of pipe fitting for a Yoke Vent.
1/8 Bend
Minimum size of trap or branch for a bidet.
1-1/2”
Minimum fixture supply pipe diameter for tank type
water closet.
3/8”
Term applied to the interconnection of the same
fixtures in one soil or waste branch with one branch vent.
Battery of Fixtures
A single vent that ventilates multiple traps in the case
of a back to back vent.
Common Vent
Minimum size of a standpipe for a building in which
the highest outlet is 23 meters or less from the fire service
connection.
4”
Minimum size of a wet standpipe for a riser of more
than 15 meters from the source.
4”
Minimum height of a branch vent above the fixture it is
venting.
6”
It refers to an individual who worked in the sanitary
field of ancient Rome.
Plumbarius
In Latin, it means ‘lead’.
Plumbum
