003a -REFRESHER SPDI

A pipe installed to vent, a fixture trap and which connects with the vent system above the fixture served or terminates in the open air is called __________.

Individual vent

The trap size of fixtures for Wash basin is __________.

1 1/4"

The trap size of fixtures for slop sinks (ordinary) is __________.

2"

The minimum cost toilet type is __________.

Wash down

The trap size of fixtures for Urinals (through) is __________.

2"

Includes water supply and distribution pipe; plumbing fixture and traps, soil, waste and vent pipes; house drain and house sewers including their respective connections is called __________.

Plumbing system

The trap size of fixtures for Water closets is __________.

4"

The ratio of water closets for the female population for elementary and secondary school is __________.

Ratio of 1:25

A valve which in the water flow is shut off by a flat disk that is screwed down onto its seat is called __________.

Compression valve

The luminous flux density incident on a surface is known as __________.

Illumination

A short length of pipe with threads at each end; used to join couplings or fittings is called __________.

Nipple

The trap size of fixtures for Sinks (Dishwashers) is __________.

1 1/4"

A pipe connecting upward from a soil and waste stack to a vent stack for the purpose of preventing pressure changes in the stack is called __________.

Yoke vent

The trap size of fixtures for Drinking Fountain is __________.

1"

A trench containing course aggregate and a distribution tile pipe through which septic tank effluent may flow covered with earth is called __________.

Absorption trench

The trap size of fixtures for Combination Fixture is __________.

1 1/2"

The color coding of high pressure steam is __________.

Black

A passage under a road, embankment or canal which allows for the flow of water is called __________.

Culvert

The backflow of used, contaminated or polluted water from a plumbing fixture due to negative pressure is known as __________.

Back siphonage

The lowest portion of the inside of any pipe or conduit that is not vertical is known as __________.

Invert

An underground structure for drainage into which water from the roof or floor will drain through sewer is called __________.

Catch basin

An underground tank reservoir to store water is known as __________.

Cistern

The ratio of water closets for female population for principal worship places is __________.

Ratio of 1:75

This type of toilet is noisy but highly efficient, producing a strong jet into the leg that forces contents out __________.

Siphon-jet

A U-shaped pipe filled with water located beneath the plumbing fixtures to form a seal against the passages of gases and odors is called __________.

Air trap

The trap size of fixtures for Fountain cupsiders is __________.

1 ½”

A fitting for base or soil stack and building drain is known as __________.

1 ½” bend

The length along the center of the pipe and fitting is known as __________.

Developed length

The trap size of fixtures for Floor drain is __________.

2"

This type of toilet is moderately noisy and has a smaller trap passageway and water surface area __________.

Siphon-jet

The trap size of fixtures for Laundry trays is __________.

1 1/2"

It is permitted that a branch soil or waste pipe to which two and more than 8 water closets are connected in series is known as __________.

Unit vent

This type of fitting connects two pipes of conduits and is a short internally threaded section of pipe __________.

Coupling

A vent that connects at the junction of two fixture drains and serves as a vent for both fixtures is called __________.

Common vent

The third kind of water after storm water and area water is __________.

Gray water

This type of toilet is quiet, extremely sanitary, and has a vortex that scours the bowl __________.

Siphon vortex

Piping which shall not be installed under or within 2 ft (0.6m) at any building or structure is __________.

Asbestos cement

The extension of a soil or waste stack above the highest horizontal drain connected to the stack is called __________.

Stack vent

A branch vent that serves two or more traps and extends from in front of the last fixture connection of a horizontal branch to the vent stack is known as __________.

Circuit vent

The ratio of water closets for male population for elementary and secondary school is __________.

Ratio of 1:20

A fitting within the interconnection of pipes for the purpose of easy dismantling of the connection when needed is called __________.

Union patente

Service drop conductor clearance over the roof is __________.

2.0 m

The trap size of fixtures for Bathfoot is __________.

1 1/4"

The principal artery of the venting system to which vent branches may be connected is called __________.

Main vent

The wet standpipe for a riser not more than 15 m is __________.

2"

A device that discharges a predetermined volume of water to fixture for flushing purposes is called __________.

Flushometer valve

A flange that closes the end of a pipe used to discharge water is called __________.

Blind flange

Minimum height of dry standpipe outlet from the floor line is __________.

60 mm

The trap size of fixtures for urinals (up) is __________.

1"

A branch vent that performs its functions for two or more traps is called __________.

Group vent

The trap size of fixtures for Sinks (kitchen or residence) is __________.

2"

A horizontal vent connecting one or more individual vents with a vent stack is called __________.

Continuous vent

The minimum height of Fire Service Connection from the grade/floor is __________.

36 mm

Refers to any group of two or more similar adjacent fixtures which discharge into a common horizontal waste or soil branch is known as __________.

Battery of fixtures

A pipe connecting several fixtures is called __________.

Fixture branch

A valve which maintains uniform pressure on its outlet side regardless of its pressure fluctuation on the inlet side is __________.

Pressure reducing valve

Used to connect two ends of pipes that cannot be turned is known as __________.

Union

The ratio of lavatory to number of occupants is __________.

Ratio of 1:4

Maximum height of Fire Service Connection from grade/floor is __________.

122 mm

A flange that is not drilled is called __________.

Blind flange

The type of bathtub other than sunken, square, free standing is __________.

Recessed

A type of fitting for yoke vent is __________.

Wye fitting

Another classification of storm drain, besides from inside drain and outside drain is __________.

Catch basin

The device located at the bottom of the tank for flushing water closets is known as __________.

Flush valve

The extended portion of a pipe that is closed at one end to which no connections are made is __________.

Dead end

The installation to be able to meet the water requirements during peak demands from a low yielding water well is __________.

Water reservoir

The process of flushing, cleaning to remove dirt by the flowing liquid through it is called __________.

Scouring

The ratio of urinals for elementary schools is __________.

Ratio of 1:70

Trap size of fixtures for Urinal (stall) is __________.

1 1/2"

Trap size of fixtures for slop sinks (with combine trap) is __________.

2"

Trap size of fixtures for Urinals (pedestal) is __________.

2"

An arrangement of venting so installed that one vent pipe will serve two traps is called __________.

Unit vent

Trap size of fixtures for pantry or bar is __________.

1 1/4"

A vent that does not serve as drain is __________.

Dry vent

Color coding for fuel oil division is __________.

Green

Trap size of fixtures for bath Shower stall is __________.

2"

Trap size of fixtures for Bidet is __________.

1 1/2"

The minimum discharge pipe and fitting for a bathtub is __________.

1 1/2"

Wet standpipe for riser more than 15 m is __________.

2"

Sanitary, efficient very quiet toilet bowl is __________.

Siphon vortex

Dry standpipe for riser below 23 m is __________.

2"

The pipe on the fixture side of the trap through which vapor or foul air is removed is __________.

Dry vent

Tap used to measure pressure in a water system is __________.

Pressure cock

The lowest portion of the inside top surface of the channel through trap is __________.

Dip

Water which undergoes treatment to improve water quality is __________.

Purified water

A bathroom containing a water closet and a lavatory is __________.

Full bath

How many gallons of water for the water closet flushing requirements is __________.

1.5 – 2 gallons

Which type of toilet has a very low water usage but helps conserve water is __________.

Siphon vortex

Flushing is very noisy, expensive and has a low water usage that helps conserve water is __________.

Siphon jet

A vent connecting at the junction of two fixture drains is __________.

Common vent

Color coding for black water is __________.

Black

It is added to water to reduce salinity is __________.

Chlorine

The date when the Sanitary Code is issued is __________.

August 22, 1991

Provincial Water Utilities Act is __________.

PD 198

Is a receptacle used to catch surface drained from cemented courts is __________.

Yard Catch Basin

The date when the Philippine Environment Code is signed is __________.

June 6, 1977

The maximum number of fixture units that may be connected to a 75 mm diameter house drain pipe under 4% slope is __________.

21

A piping arrangement in which a drain from a fixture discharges indirectly into a fixture is __________.

Air gap

A running trap installed under the basement floor to protect it from freezing is __________.

Area drain

What is the slope of a 100 mm diameter house drain pipe with 100 fixture units? __________.

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