Definition of Terms 2

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A valve in which the flow of water is cut off by means of a circular disc fitted against machine-smoothed faces, at right angles to the direction of flow. The disk is raised or lowered by means of a threaded stern connected to the handle of the valve. The opening in the valve is usually as large as the full bore of the pipe.

Gate Valve

A pipe fitting with adjacent reverse bends and shaped like the letter "S"

Double-bend fitting

Includes all potable water supply and distribution pipes, all plumbing fixtures and traps; all sanitary and storm drainage systems; vent pipes, roof drains, leaders and downspouts; and all building drains and sewers, including their respective joints and connections; devices, receptacles, and appurtenances within the property; water lines in the premises: potable, tap, hot and chilled water pipings; potable water treating or using equipment; fuel gas piping; water heaters and vents for same.

Plumbing System

Any of two or more similar adjacent fixtures that discharge into a common horizontal soil or waste branch.

Battery of Fixtures

Tube made of plastic material and colored black. The cross-sectional shape is circular and is denoted by its outside diameter or O.D.

Polyethylene (PE)

A physical separation, which may be a low inlet into the indirect waste receptor from the fixture, appliance, or device indirectly connected.

Air Break

All plumbing fixtures and materials used in any discharge or plumbing system or parts thereof shall be free from defects.

Quality of Materials

A water closet consisting of a continuous trough containing water. The trough extends under two or more adjacent seats. Prohibited by health authorities for permanent installations.

Latrine

The length of a pipe along its centerline and fittings.

Developed Length

A pipe or opening used for ensuring the circulation of air in a plumbing system and for relieving the negative pressure exerted on trap seals.

Vent Pipe

Plugging an opening with oakum, lead, or other materials that are pounded into the annular space. Also, the material pounded into the annular opening.

Caulking

The maximum vertical depth of liquid that a trap will retain, measured between the crown weir and the top of the dip of the trap.

Trap Seal

Also, defined as High Hazard.

Contamination

The lowest portion of the interior part of any pipe or conduit that is not vertical.

Invert

A water-tight receptacle which receives the discharge of a sanitary plumbing system or part thereof, designed and constructed to retain solids, digest organic matter through a period of detention and to allow the liquids to discharge into the soil outside of the tank through a system of open-jointed sub-surface pipings or a seepage pit meeting the requirements of this Code.

Septic Tank

A vertical pipe to convey rainwater.

Conductor

Accepted or acceptable under an applicable specifications or standard stated or cited in this Code., or accepted as suitable for any proposed use under procedures and powers of the Administrative Authority.

Approved

It is a device located at the bottom of the tank for the purpose of flushing water closet and similar fixtures.

Flush Valve

Synonymous with faucet, cock, tap, plug, etc. The word "faucet" is preferred.

Bibb

The vertical distance between the dip and the crown weir of a trap. Also, the water in the trap between the dip and the crown weir.

Seal

A valve opened and closed by the fall and rise, respectively, of an attached ball floating on the surface of the liquid.

Ball Cock

A vertical vent line, the primary function of which is to provide additional circulation of air between the drainage and vent systems or to act as an auxiliary vent on a specially designed system such as a "yoke vent" connection between the soil and vent stacks.

Relief Vent

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

Siphonage

Any connection or arrangement, physical or otherwise, between a potable water supply system and any plumbing fixture or any tank. receptacle, equipment, or device, through which enables non-potable, used, unclean, polluted, contaminated water or other substances to enter into any part of such potable water system under any condition.

Cross-Connection

In Plumbing Code, referred to as "Pitch".

Grade

The vertical main of a system of soil, waste or vent piping extending through one or more stories and extended thru the roof.

Stack

A natural person, his heirs, executors, administrators or assigns; and also includes a firm, partnership or corporation, its or their successors or assigns or agents of any of the aforesaid

Person

A device designed to retain grease from one to a maximum of four fixtures.

Grease Trap

In a classification of plumbing fixtures, “__________" applies to plumbing fixtures in residences and apartments, to private bathrooms in hotels and hospitals, to restrooms in commercial establishments for restricted use, single fixture or group of single fixtures and to similar installations where the fixtures are intended for the use of a family or an individual.

Private

That part of the horizontal piping of a sanitary drainage system which measures 0.6 meter downstream from the last mobile home site and conveys sewage to a public sewer, private sewer, individual sewage disposal system or other points of disposal.

Mobile Home Park Sewer

That portion of the rainfall or other precipitation which runs off over the earth surface after a storm.

Storm Water

A pipe or conduit for carrying sewage and wastewater.

Sewer

The wastewater containing human excrements and liquid household waste. Also called domestic sewage.

Sanitary Sewage

Referred to as the "Commission"

PRC

A valve that automatically closes to prevent the flow of liquid or gas in a reverse direction.

Check Valve

A fixture is flooded when the liquid therein rises to the flood-level rim.

Flooded

Confined Space - A room or space having a volume of less than 1.4 cu. m with kilogram calorie of the aggregate input rating of all fuel-burning appliances installed in that space.

250 kilogram calorie

A water supply pipe, which extends vertically to one full story or more to convey water into pipe branches or plumbing fixtures.

Riser

A manufactured device or a prefabricated assembly or an on-the-job assembly of component parts, and serves as an adjunct to the basic piping system and plumbing fixtures. An appurtenance demands no additional water supply nor does it add any discharge load to a fixture or the drainage system. It performs some useful functions in the operation, maintenance, servicing, economy or safety of the plumbing system.

Plumbing Appurtenance

The vertical distance from the "Grade Line" to the highest point of the coping of a flat roof or to the top line of a measured roof or to the average height of the highest gable of a pitch or hip-roof.

Height of Building

Unit Vent is synonymous to ___________.

Dual Vent

The extension of a soil or waste stack above the highest horizontal drain connected to the stack. The uppermost end above the roof is called stack vent through roof (SVTR).

Stack Vent

Licensure Board for Master Plumbers

Board

Any joint obtained by joining of metal parts with alloys which melt at temperatures higher than 449 degrees centigrade, but lower than the melting temperature of the parts to be joined.

Brazed Joint

The drainpipe from the trap of a fixture to the junction of that drain with any other drainpipe.

Fixture Drain

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

Branch Interval

Unconfined Space - A room space having a volume equal to ________________ of the aggregate input rating of the fuel-burning appliance installed in that space. Rooms adjacent and open to the space where the appliance is installed, through openings not furnished with doors, are considered a part of the unconfined space.

at least 1.4 cu.m.

It is the discharge from any fixture, appliance, or appurtenance in connection with a plumbing system that does not receive fecal matter.

Liquid Waste

Any system of continuous piping, which is the principal artery of the system where branches are connected.

Main

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

Public Sewer

It is a pipe that does not connect directly with the drainage system but conveys liquid wastes by discharging into a plumbing fixture, interceptor, or receptacle directly connected to the drainage system.

Indirect Waste Pipe

Any joint or seam obtained by the joining of metal parts in a plastic molten state.

Welded Joint or Seam

Brazed Joint is any joint obtained by joining of metal parts with alloys which melt at temperatures _________________________ degrees centigrade, but lower than the melting temperature of the parts to be joined.

higher than 449 degrees

A pipe connecting upward from a soil or waste stack below the floor and below horizontal connection to an adjacent vent stack at a point above the floor and higher than the highest spill level of fixtures for preventing pressure changes in the stacks.

Yoke Vent

A tee with the branch tapped to receive a threaded pipe or fittings.

Tapped Tee

Horizontal Pipe

angle of not more than forty-five (45) degrees with the horizontal plane.

A cesspool that is not watertight.

Leaching Cesspool

This term means the flexible tubing connection between a service pipe and a water main.

Goose Neck

Any change, addition, or modification in construction or occupancy.

Alteration

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.

Slip Joint

An open return bend usually made up two 90° bends with inside and outside threads, flanged or welded fittings; and applied also to a one hundred eighty degrees bend in copper tubings.

Return Bend

Condition or any arrangement whereby reverse flow can occur.

Backflow Connection

A device which conditions or treats water supply to improve water quality, remove suspended solids by filtration.

Water Treatment

A standpipe that operates automatically by opening a hose valve.

Automatic Standpipe System

The flowing back of used, contaminated, or polluted water from a plumbing fixture or vessel into a water supply pipe due to a negative pressure in such pipe.

Back-Siphonage

A metallic sleeve, caulked or joined to an opening in a pipe, into which a plug is screwed that can be removed for cleaning or examining the interior of the pipe.

Ferrule

That part of the horizontal piping of a drainage system that starts from the end of the building drain and which receives the discharge of the building drain and conveys it to a public sewer, private sewer, individual sewage disposal system, or other points of disposal.

Building Sewer

Also known as Street Main

Water Main

1 Fixture unit is equivalent to a rate of flow at ________________________.

28.3 liters per minute (1 cu. ft./minute)

A pipe flange that is not drilled for bolt holes.

Blank Flange

A specially designed system of waste piping embodying the horizontal wet venting of one or more sinks or floor drains by means of a common horizontal waste and vent pipe adequately sized to provide free movement of air above the flow line of the drain.

Combination Waste and Vent System

An open, unoccupied space, bounded on two (2) or more sides by the walls of the building. An inner court is a court entirely within the exterior walls of a building.

Court

Confined Space - A room or space having a volume of ____________________ with 250 kilogram calorie of the aggregate input rating of all fuel-burning appliances installed in that space.

less than 1.4 cu.m.

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

Drain

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

Soldered Joint

The on-going installation of the plumbing system or any part thereof which has been installed prior to the effectivity of this Code.

Existing Work

It is the slope or fall of a line of pipe with reference to a horizontal plane. In drainage, it is usually expressed as the fall in centimeters per meter or percentage slope of pipe.

Grade

Any pipe or fitting installed in a vertical position or which forms an angle of not more than forty-five (45) degrees with the vertical line.

Vertical Pipe

Hemp or old hemp rope soaked in oil or tar to make it waterproof.

Oakum

A person who has shown competence to test and maintain backflow assemblies to the satisfaction of the Administrative Authority having jurisdiction.

Certified Backflow Assembly Tester

A hose connection with two-gated outlets permitting two connections of *0/1 the same or smaller coupling diameter to be taken from a single supply line. Also, a pipe fitting of three branches that form the letter "Wye"

Wye

A vertical vent connection on a horizontal soil or waste pipe branch at a point downstream of the last fixture correction and turning to a horizontal line above the highest overflow level of the highest fixture connected thereat; the terminus connected to the stack vent in the case of loop venting or to the vent stack nearby in the case of circuit venting.

Loop or Circuit Vent

An outhouse or structure used for the deposition of excrement.

Privy

A structure built, erected, and framed of component structural parts designed for the housing, shelter, enclosure, or support of persons, animals, or property of any kind.

Building

The Administrative Authority under the Department of Health, the Department of Public Works & Highways, the Department of Interior and Local Government, the City Mayors of Chartered Cities, Environmental Management Bureau (D.E.N.R), and other government: entities that regulate the practice of Registered & Licensed Master Plumbers.

Jurisdiction

The normal force exerted by a homogeneous liquid or gas, per unit of area on the wall of the container

Pressure

An impairment of the quality of the water to a degree which creates a hazard to public health and adversely affects the aesthetic and potable qualities of water for domestic use.

Pollution

Gooseneck dimensions: one end of which is about _____ cm. long and the other end is about _____ cm.

30 and 7.5

I.P.S

Iron Pipe Size

That portion of rainfall or other precipitation which runs off over the surface of the ground.

Surface Water

YT1 Materials Engineer EXAM

ユーザ名非公開 · 100問 · 1ヶ月前

YT1 Materials Engineer EXAM