MASTER PLUMBER Licensure Examination - Plumbing Code Review

Vocabulary-style flashcards based on the Master Plumber Licensure Examination Final Pre-Board transcript, covering technical plumbing definitions, R.A. 1378, and National Plumbing Code standards.

Alley

A public space, public park or thoroughfare less than $3\,m$ but not less than $2\,m$ in width which has been dedicated or deeded to the public for use.

Ball joint

A connection in which a ball is held in a cup like shell that allows movement in any direction.

Branch vent

A vent pipe connecting from a branch of a drainage system to a vent stack.

Cap

A fitting into which the end of a pipe is screwed for the purpose of closing the end of the pipe.

Corporation cock

A stop valve placed in a service pipe near its connection with the water main.

Dead end

The extended portion of a pipe that is closed at one end to which no connections are made, permitting the stagnation of water or air therein.

Globe valve

A valve in which the flow of water is cut-off by means of a circular disc parallel to the normal direction of flow, where water is turned through a tortuous passage to the face of the disc.

House sewer

The part of a plumbing system extending from a point of about $1.20\,m$ to $1.50\,m$ from the inner face of the foundation wall of a building to any point of discharge.

Interceptor

A receptacle designed and constructed to separate and prevent the passage of oil, grease, lard or other materials into the drainage system.

Privy

An outhouse or structure used for deposition of excrement in a rural area.

Trap seal

The water retained in a fixture trap after flushing; defined as the vertical distance between the dip and the crown weir of a trap.

Sump pit

A pit or receptacle at the lowest point of a basement floor to which liquid wastes are drained.

Stand pipe

A vertical pipe usually used for the storage of water, frequently under pressure.

Unit vent

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

Wet vent

A portion of a vent pipe system through which liquid waste also flows.

Surface water

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

Hub

A portion of a pipe which is for a short distance sufficiently enlarged to receive the end of another pipe.

Branch

Any part of the piping system in a roughing-in installation other than the main riser or stack.

Back water valve

A suitable valve equipped to a basement drain inlet that is subjected to backflow.

RA 1378

The Law passed to regulate the trade of Master Plumber in the Philippines.

National Plumbing Code Approval Date

June 18, 1955.

Yoke vent

A pipe connecting upward from a soil or waste stack to an adjacent vent stack to prevent pressure changes in the stacks.

Yard

An open, unoccupied space, other than a court, unobstructed from the ground to the sky, except where specifically provided in the Code.

Welded joint

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

Ferrule

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

Potable water

Water satisfy for drinking, culinary and domestic purposes meeting the requirements of the health authority having jurisdiction.

Developed length

The length along the center line of the pipe and fittings.

Back flow

The flow of water into the water supply system from any source other than its intended sources.

Local vent

A pipe or shaft used to remove foul or congested air from a fixture or a room and convey it to the atmosphere.

Check valve

A valve which automatically closes to stop the flow of water in a reverse direction.

Section 21 (NPC)

The section of the National Plumbing Code that allows reciprocity in the practice of the Plumbing Profession between the Philippines and other countries.

Blow-off

A controlled outlet of a pipeline used to discharge water or detritus.

Ball cock

A faucet opened or closed by the fall or rise of a ball floating on the surface of water.

Air Test Pressure

An air pressure application maintained for $10\,min$ at $3\,psi$ for each section of the plumbing system being tested.

Minimum Water Tank Capacity

The minimum capacity needed for a complete water closet flushing is $3\,gallons$.

Foundation Sleeve Size

Sleeves protecting pipe passing through foundation walls should be $2$ sizes larger than the pipe.