That portion of an underground system, which cannot drain by gravity into the building sewer.

Estimated Sewage Flow Rate of Airports per Passenger is ______

What material do you use to cut galvanized steel pipe?

The inverts of all outlets shall be level and the invert of the inlet shall be at least ____ above the outlets.

For metallic pipe fittings in fuel applications, threaded fittings in sizes larger than _____ shall not be used unless approved by the Authority having jurisdiction.

What is a type of vent applied on installations with multi-branch interval where the vertical vent pipe takes off in front of the first fixture and connects to a main vent stack?

Cleanouts in pipings larger than 2" shall have a clearance of not less than _____ in front of the cleanout.

The primary function of this vent is to provide circulation of air between drainage and vent systems or to act as an auxiliary vent on a specially designed system. 

Which fixture does not require cleanout on its horizontal drain having a length of less than 1.5 m?

A flange that closes the end of a pipe.

A term used to describe soil or waste system where all pipings are of threaded pipe, tubing or other such rigid construction using recessed drainage fittings to correspond to the types of piping.

What is the maximum distance of a 1 1/2" trap to vent termination?

A small bar sink commonly uses a drain assembly called a _____.

What is the maximum allowable DFU in a 6" branch?

The minimum diameter allowed by the code for wet vent.

Minimum door width clearance according to BP 344

Pressure tank has pin holes. How do you repair the tank without stopping the operation?

A joint obtained by joining of metal parts with metallic mixtures of alloys that melt at a temperature up to and including 840 degree F is a ___.

How many water closets should be provided in assembly places for 150 female employees?

Piping carrying propane, butane and other gas which are heavier than air, shall be provided with ______.

Easement of public use in the interest of recreation, navigation, floatage, fishing and salvage for agricultural areas, along their margins

A shower drain for a fiber glass shower base typically  _____.

The cleanout size for a 76 mm pipe is ______.

How many threads per inch does a pipe size of 3/4" have?

When you install an ejector pump, in what order is it installed?

The non-soluble materials which is the end product after biological action of bacteria in waste and what settles at the bottom of the septic tank is _____.

The water from a 25-year frequency storm shall not be stored on the roof exceeding _____.

Unless prohibited by structural conditions, what is the reference of each vertical vent pipes before offsetting horizontal to join the stack vent or vent stack? 

A suction created by the flow of liquids in pipes. A pressure less than atmospheric.

How many fixture units correspond to a discharge capacity of 1.20 L/s?

The total area under the stress-strain curve of a mild steel specimen tested up to failure under tension is _____.

What is the corresponding internal diameter of a 20 mm PPR Pipe PN 20?

PVC has an approximate ultimate tensile strength of _____.

An outhouse or structure used for the deposition of excrement.

Vents cannot be connected _____.

This also means water service connection.

When disposal fields and/or seepage pits are installed in sloping ground, the minimum horizontal distance between any part of the leaching system and ground surface shall be _____.

The best water heating system to be used for both lavatory and shower.

The clearance between the grip of the tap and any adjacent vertical surface should not be less than _____.

The trap of a kitchen sink may NOT accept the waste of which of the following?

The wall thickness of pipe is determined by  _____.

What Section covers the Wastewater Disposal System?

How many percent of the maximum fixture units allowed as per code for horizontal drain pipe shall be considered when computing for 1% slope?

Minimum velocity of waste in a sewer pipe

A hose fitting with clapper valves for combining the flow from two or more lines of hose into a single stream

Which of the following is not an advantage of Cast Iron No-Hub joint?

WSFU of lavatory (dental) in public

What is the maximum horizontal offset permitted in a 3" soil or waste stack that is serving as a wet vent?

Standard height for shower used by adult males

How many gallons should your septic tank have if an apartment has 5 units?

Extension of partitions or baffles between compartments above the liquid level of a septic tank

Minimum distance of water main to septic tank

No less than ____ roof drains shall be installed in roofs over 10,000 square feet in area.

The person responsible for monitoring a permit-required confined space is called _____.

The water test shall be done with not less than _____.

Lavatory provision for Secondary schools

Building sewers shall be tested by completely filling the sewer with water from the _____.

DFU of service sink

Kitchen faucets have its maximum flowrate set at _____.

How many sets of approved plans, specification, computations, and related data are retained by the Administrative Authority?

What should be the maximum height when stacking pipes?

The drainage piping system shall be designed to provide adequate circulation of air free from siphonage, aspiration, or forcing of trap seals under ordinary use.

A 65 mm branch can carry the load of _____.

When laying out an underground piping installation, a plumber often pulls strings to simulate where the walls will be, securing the strings to edge forms and _____.

Minimum supply connection size for urinal wall lip

A vertical vent that is a continuation of the drain to which the vent connects

Cleanouts may be omitted on short horizontal drainage pipe when installed with _____ or less.

_____ pressure is the other term for back pressure.

Member of the board shall have been actively engaged in the trade of master plumber for at least ____.

What is the total Fixture Units for 5 adjacent Water Closets Flushometer Valve?

How many bathtubs can be served by a 2" vent?

What is the diameter of drain in a roof area of 900 sqm, with the rainfall intensity of 127 mm?

For condensers and sumps, what is the purpose of installing wearing plates or baffles in the tank?

The acceptable layer of soil to use around the seepage pit.

What minimum size of vent pipe will you specify if the stack serves 70 DFU?

What kind of test is frequently used for the roughing-in of a drainage system before it is closed?

What is the size of horizontal rainwater piping with 4% slope in a roof area of 700 sqm? The maximum rainfall prevalent in the area is 127 mm.

Joints at the roof around a stack vent pipes shall be made watertight by the use of approved _____.

No more than ___ water closets or other fixtures shall be allowed on any circuit or loop vent.

The reference standard for Sanitary Fittings in the Philippines

What installation in the plumbing system is connected to separate installation of drainage and terminated at the storm sewer?

Which is not a connection for vertical lines to horizontal drainage lines?

Requirements for wall or flooring materials around public-use water closets are _____.

Sewage sediment, rich in destructive bacteria, that can be used to break down fresh sewage more quickly.

Piping buried in the ground shall be laid on _____ for its entire length.

Evolves as a moist gas from organic waste.

An exterior vertical drainage pipe for conveying storm water from roof or gutter drains.

Prohibited on new building sewers except for repairs and connections to existing lines constructed with such joints.

Access and clearance for testing shall require minimum of 305 mm space between the _____.

When 2 or more drain lines are installed in a disposal field, what should be installed to receive the lateral lines?

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

What is the WSFU of Water Closet (economical flush) for public

What section of RA 1378 indicates the authority of the Board to administer the registration of master plumbers?

What is the maximum length of a vent and soil pipe of 4"?

The size and materials used for ______ installed outside any building or structure and separated from the potable water supply system by means of an approved airgap or backflow prevention device is not regulated by the Revised National Plumbing Code of the Philippines.

Excavated soil (spoils) and other materials must be kept at least _____ from trench edges.

This law aims for the improvement of the way of the Filipinos by directing public health services towards the protection and promotion of the health of the people.

What is the minimum net inlet area of dome-type strainers serving a 4" outlet pipe?

What is the minimum dimension of a soil stack?