PC Combined Set

What does ASTM stand for?

A. American Society for Testing Materials

B. American Standard for Testing Materials

C. American Institute of Testing Materials

D. Amerca’s Institution for Testing Materials

What does ASTM stand for?

A. American Society for Testing Materials

B. American Standard for Testing Materials

C. American Institute of Testing Materials

D. Amerca’s Institution for Testing Materials

A. American Society for Testing Materials

The piping system that conveys the

discharge of water closets or fixtures having

similar functions with or without the

discharges from other fixtures.

A. Soil Drainage System

B. Sanitary Drainage System

C. Vent System

D. Soil Drainage System

A. Soil Drainage System

• Soil Drainage System - Contains fecal matter

• Waste Drainage System - No Fecal matter

• Sanitary Drainage System - General term used to describe the whole drainage

• Vent System - Flow of air

Two offsets in successions or in series such

that the center line of the outside ends are in

the same straight line.

A. Double offset

B. S-trap offset

C. T-trap offset

D. Double bent fitting

A. Double offset

Keyword: Two offsets in successions

Copper tube for water supply piping shall

have a weight of not less than ___________.

A. Type O

B. Type L

C. Type M

D. Type AB

B. Type L

What do you call that layer of organic

materials accumulating in the form of a mat

on the surface of the filter as the liquid

passes through it?

A. Schmutzdecke

B. Blubber

C. Olein

D. Sludge

A. Schmutzdecke

Keyword: mat on the surface of the filter

Also known as BIOFILM

An approved type installed receptacles,

devices or appliances supplied with water or

receive liquid or liquid borne waste and

discharge such waste into the drainage

system.

A. Plumbing system

B. Plumbing appliance

C. Plumbing appurtenance

D. Plumbing fixtures

D. Plumbing fixtures

KEYWORD: An approved type installed receptacles

What kind of pipe is remarkably suited to

embedment in concrete structure and can be

used as soil, waste or ventilation pipe and

downspout?

A. cast iron

B. galvanized sheet

C. galvanized wrought iron

D. asbestos

A. cast iron

KEYWORD: suited to embedment

If asked “what kind of material is NOT suited for embedment?”
ANSWER: Any galvanized material

As per Asbestos, it is not suitable for soil and waste, only for ventilation.

What is a liquid waste that contains animal

or vegetable matter in suspension or

solution?

A. Sewer

B. Sewage

C. Domestic waste

D. Culinary waste

B. Sewage

• Sewer- the system that holds sewage

• Sewage - waste from drainage

• Domestic waste- from household. does not include animal waste.

• Culinary waste- Strictly for kitchen. Not part of domestic.

A storm drain is defined as that portion of the

storm drainage system that receives ______

from inlets and conveys it to some point

where it is then discharged into a channel,

water body or piped system.

A. gray water

B. drain line

C. surface run-off

D. water discharge

C. surface run-off

All pipings shall be or durable materials, free

from defective workmanship, the system,

designed and constructed by an _____, to

ensure satisfactory service.

A. Architect

B. Electrician

C. RMP

D. Journeyman

C. RMP

A ________ valve is a one way flow control valve installed in a drainage system, that under normal conditions allows the waste water to drain out of the system but if a reversal of flow should occur, the valve will be forced closed and protect the interior of the building from sewage backup. Every year thousands of homes are flooded with raw sewage and storm water causing millions of damages that could have been avoided with properly installed backwater valves.

A. globe

B. backwater

C. check

D. gate

B. backwater

KEYWORD: backwater valves.

Read the whole question

What is the maximum distance between the

fixture trap and the vent in roughing in for a

lavatory that is to have a 1 1/4” inches drain?

A. 3 ft – 6 inches

B. 5 ft

C. 2 ½ ft

D. 1 ½ ft

A. 3 ft – 6 inches

This is based on Table 10.1. This is not given during the exam.

!!MEMORIZE!!

Medical gas piping is most often joined by:

A. silver braze

B. lead free solder

C. flared joints

D. compression joints

A. silver braze

For expanding the ends of a lead pipe, what

is the tool used?

A. Turn pin

B. Dresser

C. Share hook

D. Drift plug

A. Turn pin

Inserted into the ends of the lead pipr

What is the minimum size of a house sewer

that will NOT be carrying human excrement

and installed underground?

A. 5”

B. 3”

C. 4”

D. 2”

C. 4”

All Administrative Plumbing Personnel,

Plumbing Inspector, shall be Registered and

Licensed Master Plumbers, in accordance

with the provision of Republic Act _______,

otherwise known as the Plumbing Law.

A. 1378

B. 1081

C. 1738

D. 1837

A. 1378

What is an effective protection of the quality of surface water?

A. Prevention of gross pollution

B. Care of the water shed

C. Treatment

D. Isolation of the reservoirs

B. Care of the water shed

This is the most efficient and practical.

What do you call the main water pipe which

delivers potable water to a building.

A. Water supply

B. Water connector

C. Water service

D. Water distributor

C. Water service

INC in plumbing term means________

A. Incorporated

B. Increaser, Increasing

C. Iglesia Ni Cristo

D. Incomplete

B. Increaser, Increasing

What kind of material is best suited as

strainer of the outlet pipe in the water

reservoir?

A. steel

B. cast iron

C. brass

D. plastic

C. brass

What is the total fall of a pipe traveling 70

feet at 1/8” per foot slope?

A. 9 ¾”

B. 1 “”

C. 70”

D. 8 ¾”

D. 8 ¾”

T𝑜𝑡𝑎𝑙 𝑓𝑎𝑙𝑙 = 𝑆𝑙𝑜𝑝𝑒 ×𝐷𝑖𝑠𝑡𝑎𝑛𝑐𝑒
= 0.125 𝑖𝑛𝑐ℎ𝑒𝑠 𝑝𝑒𝑟 𝑓𝑜𝑜𝑡 ×70 𝑓𝑒𝑒𝑡
= 8.75 𝑖𝑛

The piping and equipment between the

street gas main and the gas piping system

inlet, which is installed by and is under the

control and maintenance of the serving gas

supplier, is listed in the code as ________.

A. gas fitting

B. yard piping

C. service piping

D. gas piping

C. service piping

KEYWORD: between the street gas main and the gas piping system inlet (This applies generally to the term “service”)

What do you call the vertical vent pipe

installed primarily to provide circulation of

air to and from any part of the drainage

system?

A. common vent

B. vent stack

C. relief vent

D. stack vent

B. vent stack

KEYWORD: vertical vent pipe

• Vent Stack- Primary purpose it to provide ventilation

• Stack Vent - Connects to vent stack and receives waste.

How many threads per inch has a cleanout

having a size of 79 mm have?

A. 8

B. 6

C. 5

D. 10

A. 8

To determine the number of threads per inch (TPI) for a cleanout of a specific size, we need to know the standard thread specifications for that size. A 79 mm cleanout size is approximately equivalent to 3 inches. For a pipe with a nominal size of 3 inches, the standard number of threads per inch (TPI) is typically 8.

TIP: There are only two answers. 11.5/inch or 8/inch

Each family dwelling unit on premises abutting on a sewer or with a private sewage – disposal system shall have at least one water closet and one kitchen type sink. In addition to this, a _______, _________ and ________ shall be installed to meet the basic requirements of sanitation and personal hygiene.

hygiene.

A. water heater, pressure washer, and personal hygiene

B. balcony drain, floor drain and medical sink

C. laundry tub, slop sink and garden hose

D. lavatory, bathtub and shower

D. lavatory, bathtub and shower

Principle 6

A final water heater inspection shall be made

only after ___________.

A. All gas appliances have been installed

B. All work authorized by the permit has been installed

C. The plumber has left the job

D. All plumbing fixtures have been installed

B. All work authorized by the permit has been installed

Any joint obtained by joining of metal parts

which alloys will melts at a temp. higher than

449 degree centigrade but lower than the

melting temp. of the parts to be joined.

A. Butt joint

B. Soldered joint

C. Brazed joint

D. Mechanical joint

C. Brazed joint

KEYWORD: higher than 449 degree centigrade but lower than the melting temp

• BRAZED JOINT - any joint obtained by joining of metal parts with alloys which melt at temperatures higher than 449 degrees centigrade, but lower than t.he melting temperature of the parts to be joined.

• SOLDERED JOINT - a pipe joint obtained by joining metal parts with metallic mixtures or alloys which melt at a temperature below 427 degrees centigrade and above 149 degrees centigrade .

Which of the following does NOT belong to a sump pump system?

A. Pit

B. Hinged covers

C. Discharge piping

D. Pump

B. Hinged covers

What is the term used to a drain from two of three fixtures connected to a single trap?

A. looped vent

B. vent stack

C. common vent

D. group vent

C. common vent

• LOOP OR CIRCUIT VENT - a vertical vent connection on a horizontal soil or waste pipe branch at a point downstream of the last fixture cormection and turning to a horizontal line above the highest overflow level of the highest fixture connected thereat; the tenninus connected to the stack vent in the case of loop venting or to the vent stack nearby in the case of circuit venting.

• GROUP VENT- a branch vent that performs its functions for two (2) or more traps.

• COMMON VENT-sec unit vent and dual vent.

  • UNIT VENT- an arrangement of venting so installed that one vent pipe will serve two (2) traps.

  • DUAL VENT sec Cnit Vent.

  • (?????)

In threading pipes, you’ll use the die carrying part of the threading. What do you call this part?

A. stock

B. pawl

C. cog wheel

D. teeth

A. stock

KEYWORD: die carrying part

When a saprogenic bacterium converts urea into ammonia it is called ______________.

A. decay

B. nitrification

C. ammonification

D. putrefication

C. ammonification

What is that level in a fixture at which water

begins to overflow over the top or rim of the

fixture?

A. overflow

B. air gap

C. fixture

D. flood

D. flood

What device is used to prevent backflow into a potable water supply?

A. backflow preventer

B. backwater valve

C. backflow valve

D. backwater preventer

A. backflow preventer

Sleeves shall be provided to protect all

piping through _____ and _______ walls.

A. concrete, masonry

B. walls, ceilings

C. wood, concrete

D. floors, concrete

A. concrete, masonry

An adjustable wrench:

A. has an adjustable smooth jaw

B. has an adjustable jaw with teeth

C. is also called a spud wrench

D. has not adjustable smooth jaw

A. has an adjustable smooth jaw

What is the pressure exerted of a 1 meter of

water?

A. 10.2 kPa

B. 8.33 kPa

C. 7.48 kPa

D. 9.8 kPa

D. 9.8 kPa

This is based on the fact that the pressure due to a column of water is calculated using the formula P=ρgh, where ρ is the density of water (approximately 1000 kg/m³), g is the acceleration due to gravity (approximately 9.8 m/s²), and h is the height of the water column in meters. For a 1 meter column of water, this results in approximately 9.8 kPa.

The level in a fixture at which water begins to overflow over the top rim of the fixture.

A. flood level rim

B. flood level

C. rim

D. flooded

A. flood level rim

Why is that it’s NOT a good practice to use a

gate valve on a lawn sprinkler?

A. it will fail to close tightly

B. it is hard to operate

C. bulky

D. it is expensive

A. it will fail to close tightly

Gate valves are used to fully close or fully open

Sewer or other drainage piping that shall not

be installed under or within 2 feet of any

building or structure is _________.

A. ABS

B. Cast iron

C. Copper

D. Asbestos cement

D. Asbestos cement

Other choices may be installed within the building. Thus, only asbestos is not installed within 2 ft from the uilding.

Minimum plumbing facilities for night club;

water closet 1:40 male, 1:40 female, how

about for lavatory?

A. 1:40 persons

B. 1:50 persons

C. 1:45 persons

D. 1:75 persons

B. 1:50 persons

Table 4-1

According to Art 3.2.2.2 of PD 1096 what

scope of work in plan preparation for new

sanitary installation with more than 20 units

does sanitary engineer differs with a

Registered master Plumber?

A. isometric drawings or roughing-ins

B. sanitary plans, layouts and details

C. details drawing of a septic tank in the

absence of disposal field

D. cost estimate

B. sanitary plans, layouts and details

KEYWORD: new sanitary installation with more than 20 units

Drain traps contain water seals that block offensive gas odors from entering homes. Sewer gases invade homes through drains without water seals. Water seal evaporation usually occurs in floor drains not used frequently. How will you re-establish thewater seal and solve the problem of indoor sewer odors?

A. put deodorizer on the room with offensive odor

B. by pouring a gallon of water down the drain will reestablish the water seal

C. put a bowlful of charcoal at the center of the room with offensive odor

D. minimize heat inside the room

B. by pouring a gallon of water down the drain will reestablish the water seal

What is the PRC Resolution Number issued

by the Board of Master Plumber for the

adoption and promulgation of the Revised

National Plumbing Code of the Phil.?

A. Res No. 962

B. Res No. 4

C. Res No. 2

D. Res No. 1378

B. Res No. 4

Any one of special class of device or

equipment or intended to perform a special

plumbing function, such as motors, heating

elements and elements. pressure-temperature

A. plumbing appliance

B. plumbing unit

C. plumbing appurtenance

D. plumbing fixtures

A. plumbing appliance

A joint made by firmly packing with oakum

and filled with molten lead to a depth of not

less than one inch, etc., is used with ________.

A. plastic pipe

B. steel pipe

C. cast-iron hubless pipe

D. cast-iron bell and spigot soil pipe.

D. cast-iron bell and spigot soil pipe.

What do you call that short pipe or nipple

whose thread at both ends meet?

A. Close

B. Shoulder

C. Short

D. Long

A. Close

What is the MOST common plumbing

fixtures wherein back siphonage usually

occur?

A. Water closet

B. Lavatory

C. Urinal

D. Drinking fountain

A. Water closet

The lowest fixture is where back siphonage usually

occur

Who is the present committee chairman of the Board for Master Plumber incharge in unification/integration of Association?

A. Engr. Mangila

B. Engr. Simbulan

C. Arch. Abellano

D. Engr. Camilet

B. Engr. Simbulan

Which of the following is required in the

installation of a storm drainage system?

A. Cleanouts

B. 90 degree bends

C. 45 degree bends

D. Blind plugs

A. Cleanouts

Drain-cleaning equipment that uses high

pressure water to clear a stoppage is called

a:

A. Water cleaner

B. Jet cleaner (jetter)

C. Pressure water

D. High-pressure drain injector

B. Jet cleaner (jetter)

KEYWORD: high pressure

The PRC adopted the revised Plumbing Code

of 1999, which President Joseph Estrada

approved December 21, 1999 pursuant to

Section 4 of RA ________ known as the

Plumbing Law.

A. 1837

B. 1387

C. 1383

D. 1378

D. 1378

All premises intended for human habitation,

occupancy or use, shall be provided with a

supply of pure and wholesome water neither

connected with unsafe water supplies nor

subject to hazards of backflow or back

siphonage.

A. Principle No. 2

B. Principle No. 1

C. Principle No. 3

D. None of these

B. Principle No. 1

A plugged toilet is ________ related to an

obstruction in the fixture.

A. not always

B. really

C. never

D. always

A. not always

An adjustable wrench:

A. don’t have an adjustable smooth jaw

B. has an adjustable smooth jaw

C. is also called a spud wrench

D. has an adjustable jaw with teeth

D. has an adjustable jaw with teeth

A schedule 40 plastic pipe with nominal size

of 4” has a horizontal run of 20 feet. What is

the maximum distance of support?

A. every 10 ft

B. every 6 ft

C. every 8 ft

D. every 4 ft

D. every 4 ft

Found in chapter 3

What is the used in disinfecting large public

water supply?

A. ozone

B. chlorine

C. lime-soda

D. ultra violet rays

B. chlorine

A length of soil or waste stack corresponding

in general to a story height, but in no case

less than 2.43 meters within which the

horizontal branches from one floor or story

of a building are connected to the stack.

A. branch interval

B. soil stack

C. main pipe

D. vent stack

B. soil stack

A flanged adapter connecting a basket strainer to the drainpipe with a dishwasher inlet.

A. dishwasher tailpiece

B. dishwasher tail fish

C. dishwashing aide

D. dishwasher dryer

A. dishwasher tailpiece

What type of surface must plumbing fixtures

should NOT have?

A. smooth, impervious surfaces

B. China surfaces

C. stainless steel surfaces

D. concealed fouling surfaces

D. concealed fouling surfaces

An unobstructed vertical distance through

the free atmosphere between the lowest

opening from any pipe or faucet conveying

potable water to flood-level rim of any tank

vat or fixture.

A. supply line

B. air gap, water distribution

C. water main line

D. branch line

B. air gap, water distribution

Dining rooms for public use without artificial

use of ventilation shall be properly ______.

A. ventilated

B. screened

C. cleaned

D. maintained

A. ventilated

What will prevent the passage of odor, gases

and vermin from the common sewer into the

drainage system within the building?

A. grease trap

B. main-drain trap

C. P-trap

D. building sewer

C. P-trap

Indirect waste from equipment or

specialized fixtures is often calculated as:

A. a waste stack

B. continuous or semi-continuous flow

C. a building drain

D. a building sewer

B. continuous or semi-continuous flow

How many basic principles governs the

National Plumbing Code?

A. 23

B. 25

C. 22

D. 24

C. 22

The two common bit designs for a

jackhammer are:

A. chisel and flat head

B. point and round head

C. chisel and point

D. flathead and round

C. chisel and point

Polyetylene pipe is black and is used for cold water and sprinkler systems. It comes in coils of 100 feet. Diameter sizes range from “ to 2”. How is polyethylene pipe represented?

A. PPR

B. PPE

C. PVC

D. PE

D. PE

Who are the present members of the Board

for Master Plumbers? Engr Mangila, Engr.

Camilet and _______.

A. Arch. Abellano

B. Engr. Simbulan

C. Arch. Bildan

D. Engr. Mariano

B. Engr. Simbulan

What material is used to protect a pipe from

breakage whenever it passes under and

through walls?

A. Metal pipe sleeve

B. U nails

C. Hanger

D. Creosote

A. Metal pipe sleeve

What is the maximum vertical distance from

the fixture outlet to the trap wire?

A. 20”

B. 28”

C. 12”

D. 24”

C. 12”

An adequate Plumbing Code is the one of

most important governances in modern and

healthful human existence. It involves the

three basic necessities of life, such as______,

water and food.

A. land

B. shelter

C. clothing

D. air

D. air

Where should the overflow pipe lead for

overhead tank installed on buildings

A. soil stacks

B. storm drain

C. gutter

D. scuppers

D. scuppers

protruded drains on the roof

What will be the basis in the design of the water piping system in localities where the water pressure is fluctuating all throughout the day?

A. number of households in the area using water

B. minimum pressure available

C. time of the day when the maximum pressure is available

D. maximum pressure available

B. minimum pressure available

What is represented by a solid line broken

with two dots or dashes in piping diagrams?

A. hot water

B. vent pipe

C. drainage pipe

D. cold water

C. drainage pipe

What is the minimum diameter of any pump

discharge or any discharge pipe from a sump

having a water closet connected

A. 50.8 mm

B. 54.8 mm

C. 56.8 mm

D. 52.8 mm

A. 50.8 mm (2 inches)

Which does NOT belong to the same class of

water?

A. meteorological

B. ground

C. surface

D. distilled

D. distilled

the rest are natural sources of water

Unless it is connected to a combined sewer

system. A roof drain does not have to be

installed:

A. by a licensed plumber

B. to code

C. in wall

D. with a p-trap

D. with a p-trap

“A Registered Master Plumber shall maintain a professional bearing consistent with an honorable and dignified pursuit of his/her profession, adhering to a set of conduct becoming of his/her calling and shall not act in an unprofessional manner and demand any renumeration other than his/her original charges except for additional services not covered in the basic contract”. This is an excerpt from:

A. Electrical Code of the Philippines

B. Revised National Plumbing Code of the Philippines

C. Unified Plumbing Code

D. National Building Code of the Philippines

B. Revised National Plumbing Code of the Philippines

What water supply pipe offers excellent

resistance to destructive elements and is not

subjected to electrolytic

tuberculation?

A. cast iron pipe

B. asbestos-cement pipe

C. galvanized pipe

D. lead pipe

B. asbestos-cement pipe

tuberculation is the process of rusting. Only concrete does not rust among the choices.

Kind of cleanout plugs that will be installed

in case where raise heads may cause hazards

to passing personnel or vehicles.

A. recessed

B. countersunk

C. embedded

D. depressed

B. countersunk

The drain pipes from the trap of a fixture to

the junction of that drain with any other

drain pipe:

A. fixture drain

B. fixture unit

C. soil branch

D. waste branch

A. fixture drain

This consists of a pliable rubber cup and

handle, and is capable of creating both a

positive pressure (by forcing the cup down)

and a negative pressure (vacuum) when

pulled away from the fixture. Variations on

the design are typically limited to the size of

the cup and length of the handle.

A. screw driver

B. plunger

C. pipe wrench

D. crimper

B. plunger

KEYWORD: Capable of creating both apositive pressure (by forcing the cup down)and a negative pressure (vacuum)

Connection between the roof and roof drains

that pass through the roof and into the

interior of the building shall be made with

watertight by the use of _________.

A. proper flashing materials

B. solvent cement

C. expansion joints

D. caulking compound

A. proper flashing materials

What is the combination of elbows or bends

in a line of piping, which bring one section of

the piping out of line but into a line parallel

with the original section?

A. circuit piping

B. piping system

C. offset

D. sanitary piping

C. offset

A _____ is a vertical shaft for installation of

different pipe stacks.

A. downfeed

B. stack pile

C. chase

D. pipe downfeed

C. chase

What is the minimum distance above the

floor the relief line from temperature and

pressure relief valves on the heater tank be

installed?

A. 8 in

B. 10 in

C. 12 in

D. 6 in

D. 6 in

Pressure loss in a water supply system:

A. can be a result of friction loss

B. does not affect the volume of water flow

C. none of these

D. is caused by a high water tower

A. can be a result of friction loss

What is the minimum trap diameter (in mm)

that floor drains shall have?

A. 76

B. 38

C. 51

D. 52

C. 51 mm (2 in)

What do you call the level of water in a

fixture when it overflow on top or rim of the

fixture?

A. overflow level

B. flow level

C. crown level

D. flood level

D. flood level

What is in water that diminishes the capacity

of water to form lather with soap?

A. presence of sodium ions

B. bacteria

C. suspended materials

D. minerals that make water hard

D. minerals that make water hard

The safety method to ignite a torch used for

soldering is a:

A. electricity

B. match

C. cigarette lighter

D. striker

D. striker

A valve used to control two (2) or more

openings shall be a _______ gate valve.

A. multi

B. fullway

C. dual

D. globe

B. fullway

What is the minimum distance above the

floor the relief line from temperature and

pressure relief valves on the heater tank be

installed?

A. 10 in

B. 8 in

C. 12 in

D. 6 in

A. 10 in

Which of the following is not applicable to

thrust blocks?

A. changes in direction

B. changes in material

C. changes in size, as at reducers

D. changes in atmosphere

D. changes in atmosphere

What is the standard working pressure for a

water heater?

A. 125 psi

B. 100 psi

C. 75 psi

D. 140 psi

C. 75 psi

What portion of an underground drainage

system CANNOT drain by gravity into the

building sewer?

A. Building subdrain

B. Building drain

C. Building sewer

D. Building supply

A. Building subdrain

What pressure exists without any flow

motion?

A. Static

B. Pore water

C. Adiabatic

D. Stagnate

A. Static

A _______ is a socket manufactured to receive

the end of another pipe or fittings.

A. Valve

B. Hub

C. Fitting

D. Bowl

B. Hub

What does “Republic Act 1378” signify?

A. Plumbing Law

B. Electrical Engineering Law

C. Sanitation Law

D. Civil Engineering Law

A. Plumbing Law

Before each water-supplied appliance slip

joint, supply pipings for non-metallic fixture

and allowance, __________ shall be installed.

A. control gate valves

B. multi valves

C. globe valves

D. check valves

A. control gate valves

In a water supply and distribution, what

type of fullway valve should be used to

control two or more openings?

A. ball valve

B. gate valve

C. globe valve

D. butterfly valve

B. gate valve

proper answer is full way gate valve