Week 1 (Plumbing Code)

Wye

A hose connection with two-gated outlets permitting two connections of the same or smaller coupling diameter to be taken from a single supply line.

45 degrees

 

Distance of bottom of all pipe tranches to the footing of any adjacent building or structure parallel to it

Horizontal pipe

 

Any pipe or fitting installed at an angle of more than 45 degrees with the vertical line.

Vertical Pipe

any pipe or fitting installed at an angle of not more than 45 degrees with the vertical line

Slip Joint

An adjustable tubing connection, consisting of a compression nut, a friction ring, and a compression washer, designed to fit a threaded adapter fitting or a standard taper pipe thread.

Article III, Section 3 of Code of Ethics

A Master Plumber shall live up to the standards of the professional practice of plumbing.

Source: PRBMP, Resolution No. 2, S. 2025

38 mm

Trap arm size of Laundry Tub

Sewer

A pipe or conduit for carrying sewage and wastewater.

Main Sewer/ Public Sewer

a common sewer directly controlled by public authority to which all abutters have equal rights of connections

Drain

a pipe, which carries ground and surface waters, storm water, or wastewater into a building drainage system

Drainage System

includes all pipings within public or private premises which convey sewage or other liquid wastes to a legal point of disposal, but does not include the mains of a public sewer system or a public sewage treatment or disposal plant

Red with White Lettering

(ANSI) Pipe Color code for Fire Quenching

Orange with Black Lettering

(ANSI/ASME) Pipe Color code for Toxic or Corrosive liquids, acids (Nitric Acid)

Inform all the parties and suggest relayout

During construction, you discovered that the drainage layout may contaminate a nearby water source. What should you recommend?

120 days (4 months)

A plumbing permit shall become null and void if the plumbing work has been suspended or abandoned for a period or _____.

1 year

plumbing permit will expire and become null and void if the plumbing work is not commenced within 1 year from the date of such permit.

1935

 

The year when NAMPAP was organized and registered with the Securities and Exchange Commission

PD 1185

The Old Fire Code of the Philippines

PD 223

Creation of Professional Regulation Commission

RA 9514

The 2008 Fire Code of the Philippines

PD 1096

National Building Code of the Philippines

2"

 

For caulked-on closet ring, the minimum overall depth shall be ____

Additional info:
- Caulked-on closet rings or closet flanges shall not be less than 6.4 mm
thick

6 m

Standard length of Galvanized Iron Pipe

0.75 m

Length of Vitrified Clay Pipes

1.5 m

Length of Cast iron

PD 856

Code on Sanitation of the Philippines

RA 8749

Philippine Clean Air Act

RA 8495

Philippine Mechanical Engineering Act of 1998

Red

Color for Type M copper pipe

Screwed Pipe

 

Vertical support of _____ is placed not less than every other storey height. 

Cast iron soil pipe

B&S Hubbless Pipe

Vertical support of _____ is placed every storey or closer.

Copper Tubing

Vertical support of _____ is placed each storey or maximum 3 m on center

Plastic Pipe

 

Vertical support of _____ is placed every 1 meter

the inspector will require removal for proper inspection

Some components of the plumbing system have been concealed prior to inspection. What can possibly happen?

Source: RNPCP, Chapter 1

3

The Administrative Authority must be notified at least ___ working days before such inspection is intended.

8"

 

Roughing-in of cold and hot water supply line are ideally distanced at least _____ apart.

Plumbing Official

Which authority is responsible for the administration and enforcement of the National Plumbing Code?

Source: IRR of RA 1378

Professional Regulatory Board for Master Plumbers

is in-charge of the enforcement and implementation of RA 1378 and its IRR.

6

 

All plumbing plans, drawings, diagrams, etc. shall be submitted in ___ sets for permit application.

Decrease in DFU loading

What will happen if a drainage piping is placed at slope of 10mm/m due to structural conditions?

Ethics

A set of moral principles or values to govern the conduct of an individual belonging to a group or profession on the basis of honestly, fairness, and justice.

Source: PRBMP Resolution No. 2, S. 2025

plumbing fixtures are installed

 

Every building where _____ shall have a sewer service connection to a public or private sewer systems.

Source: RNPCP Principles (Principle #5)

140 deg. F

Common maximum service temperature rating of PVC

180 deg.F

Common maximum service temperature rating of CPVC

Subtracting the inside diameter from the outside diameter and dividing by 2

The wall thickness of pipe is determined by  _____.

reduced draft efficiency

 

A gas furnace vent has been installed with many elbows. What will be the effect of this installation?

Additional info:
- there will be flow resistance due to directional changes

Urinal

What is not included in a plumbing unit?

Note: Study both the Plumbing Unit of Revised National Plumbing Code of the Philippines (RNPCP) and National Building Code of the Phiippines (NBCP).

14.63 kg per sqm

Minimum weight of a lead for flashing or vent terminals

Practical Problems

This examination subject in Master Plumbing was originally split into two.

Additional info:

Old Practical Subject included 2 parts:
- Practical Problems 20%
- Oral Practice Problems and Experience- 20%

30

Each member of the board, shall at the time of his appointment be at least _____ of age.

Source: IRR of RA 1378

American Society for Testing and Materials

 

ASTM means

Alteration

Any change, addition or modification in construction or occupancy

Source: RNPCP, Chapter 2

Repair

the reconstruction or renewal of any part of an existing building for its maintenance

Double Hub

Preferred when a piece of pipe needed is shorter than 150 cm long

Standard pipe

used for a well-fitted hub and spigot connections

Single Hub

recommended when the length of a pipe needed is more than 150 cm long wherein cutting is not necessary

Hubless pipe

used in lieu of the single hub to do away with caulking of joints

3.0 m

 

Iron Pipe Size (IPS) shall be supported at ___ intervals for piping 19 mm diameter and smaller.

3.6 m

for IPS piping 25 mm and larger, support intervals shall be at ___.

25.4 mm

Depth of the molten pig lead in a caulked joint

Stretched

What is the least method to lay a PB or PE tube on trenches?

as this can put the pipe under high tensile stress

Plumbing Appliance

A water heater is classified as?

• 7.48 gallons per minute

• 28.3 liters per minute

• 1 cu.ft per minute

1 fixture unit is equal to?

19 mm

Wiped lead joints shall have an exposed surface on each side of a joint not less than _____.

IAPMO (International Association of Plumbing and Mechanical Officials)

 

Plastic pipe and fittings designed to be joined by solvent cementing shall comply with _____ standards.

Source: Chapter 13, RNPCP

Return bend

An open return bend usually made up of two 90° bends

Water-sealed Trap

Each fixture directly connected to the drainage system shall be equipped with a _____.

failure to pay the required fees

 

The following are grounds for non-issuance of the  certificate of registration by the Board of Master Plumbers except for _____.

17th

 

The birth of the plumbing profession in the Philippines is traced back to the ___ century.

18th and 19th century

Filipino plumbers were assigned the task of maintaining, repaiting, and/or remodeling plumbing systems in all pueblos

20th century

Plumbing took a great leap with the arrival of the American soldiers, engineers, thomasite teachers, doctors, and evangelists