SPDI Refresher 03A

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.

a. Individual vent
b. Stack vent
c. Loop and circuit vent
d. Relief vent

a. Individual vent

Trap size of fixtures for Wash basin.

a. 1 ¼”

b. 1”

c. 2 ¼”

d. 2”

a. 1 ¼”

Trap size of fixtures for slop sinks (ordinary).

a. 2”
b. 3”
c. 1”

d. 4”

a. 2”

Minimum cost. Least efficient subject to clogging, noisy. Simple washout and emptying through small irregular passage way, prohibited by some health codes.

a. Wash down

b. Reverse trap

c. Blow out

d. Bidet

a. Wash down

Trap size of fixtures for Urinals (through).

a. 1”

b. 2”

c. 2 ¼”

d. 1 ½”

b. 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.

a. Water reservoir

b. Siamese connections

c. Plumbing system

d. Trap seal

c. Plumbing system

Trap size of fixtures for Water closets.

a. 4”

b. 6”

c. 2”

d. 3”

d. 3”

Ratio of water closets for female population for elementary and secondary school.

a. Ratio of 1:45

b. Ratio of 1:25

c. Ratio of 1:55

d. Ratio of 1:30

d. Ratio of 1:30

Elem/Secondary = (25+30)/2 = 27.5 0r say 30

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

a. Compression valve

b. Overhead storm drain

c. Pressure reducing valve

d. Union patente

a. Compression valve

The luminous flux density incident on a surface.

a. Illumination

b. Flood level

c. Plumbing system

d. Fixture branch

a. Illumination

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

a. Dead End

b. Nipple

c. Fixture Branch

d. Thimble

b. Nipple

Trap size of fixtures for Sinks (Dishwashers).

a. 1”

b. 1 ½”

c. 1 ¼”

d. ½”

b. 1 ½”

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

a. Yoke vent

b. Wet vent

c. Dry vent

d. Local vent

a. Yoke vent

Trap size of fixtures for Drinking Fountain.

a. ½”

b. 1 ¼”

c. ¼”

d. 1”

b. 1 ¼”

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

a. Absorption trench

b. Illumination

c. Air trap

d. Catch basin

a. Absorption trench

Trap size of fixtures for Combination Fixture.

a. 1”

b. 1 ½”

c. ¼”

d. ½”

b. 1 ½”

Color coding of high pressure steam.

a. Black

b. White

c. Blue

d. Green

b. White

A passage under a road, embankment or canal which allow for the flow of water.

a. Cistern

b. Culvert

c. Catch basin

d. Air trap

b. Culvert

Is the backflow of used, contaminated or polluted water from a plumbing fixture due to negative pressure.

a. Backflow

b. Back siphonage

c. Yoke vent

d. Friction loss

b. Back siphonage

Is the lowest portion of the inside of any pipe or conduit that is not vertical.

a. Invert

b. Fixture branch

c. Soil pipe

d. Rough-in

a. Invert

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

a. Cistern

b. Corporation stop

c. Absorption trench

d. Catch basin

d. Catch basin

An underground tank reservoir to store water.

a. Catch basin

b. Corporation stop

c. Cistern

d. Absorption trench

c. Cistern

Ratio of water closets for female population for principal worship places.

a. Ratio of 1:75

b. Ratio of 1:60

c. Ratio of 1:85

d. Ratio of 1:70

a. Ratio of 1:75

Noisy but highly efficient. Strong jet into leg forces contents out. Higher pressure required.

a. Bidet

b. Reverse trap

c. Siphon-jet

d. Blow out

d. Blow out

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

a. Air trap

b. Wash down

c. Bidet

d. Siphon-jet

a. Air trap

Trap size of fixtures for Fountain cupsiders.

a. 1 ½”

b. 1 ¼”

c. 1’

d. ½”

b. 1 ¼”

Fitting for base or soil stack and building drain.

a. ½” bend

b. 1 ¼” bend

c. 1 ½” bend

d. ¼” bend

d. ¼” bend

The length along the center of the pipe and fitting.

a. Fixture branch

b. Soil pipe

c. Developed length

d. Invert

c. Developed length

Trap size of fixtures for Floor drain.

a. 2”

b. 2 ½”

c. 4”

d. 3”

d. 3”

Moderately noisy. Similar to siphon jet except that trap passageway and water surface area are smaller.

a. Wash down

b. Reverse trap

c. Bidet

d. Blow out

b. Reverse trap

Trap size of fixtures for Laundry trays.

a. 1”

b. 1 ¼”

c. 1 ½”

d. 2”

c. 1 ½”

It is permitted that a branch soil or waste pipe to which two and more than 8 water closets, pedestal urinals, trap standard slop sinks, or shower stall are connected in a series.

a. Relief vent

b. Unit vent

c. Local vent

d. Loop or circuit vent

d. Loop or circuit vent

A short internally threaded (female thread) section of pipe, used to join two pipes of conduits.

a. Coupling

b. Invert

c. Nipple

d. Union

a. Coupling

A vent connecting at the junction of two fixture drains and serving as a vent for both fixtures a single vent that ventilates multiple traps, in the case of back to back fixture.

a. Branch vent

b. Common vent

c. Continuous vent

d. Dry vent

b. Common vent

The third kind of water after the storm water and area water.

a. Green water

b. Black water

c. Blue water

d. Gray water

b. Black water

Quiet, extremely sanitary. Like the siphon jet but having the flushing water directed through the rim to create a vortex that scours the bowl.

a. Siphon-jet

b. Siphon vortex

c. Siphon sat

d. Siphonage

b. Siphon vortex

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

a. Cast iron

b. Plastic

c. Copper

d. Asbestos cement

d. Asbestos cement (PSME Code 1001.2.7.7.3)

The extension of a soil or waste stack above the highest horizontal drain connected to the stack horizontal drain, the uppermost end above the roof.

a. Yoke vent

b. Stack vent

c. Individual vent

d. Loop or circuit vent

b. 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.

a. Branch vent

b. Continuous vent

c. Circuit vent

d. Common vent

c. Circuit vent

Ratio of water closets for male population for elementary and secondary school.

a. Ratio of 1:20

b. Ratio of 1:40

c. Ratio of 1:30

d. Ratio of 1:35

c. Ratio of 1:30

A pipe fitting within the interconnection of pipes for the purpose of easy dismantling of the connection when needed.

a. Water reservoir

b. Absorption trench

c. Caulking

d. Union patente

d. Union patente

Service drop conductor clearance over the roof.

a. 2.0 m

b. 3.0 m

c. 3.5 m

d. 2.5 m

d. 2.5 m

Trap size of fixtures for Bathfoot.

a. 1 ¼”

b. 1”

c. 1 ½”

d. 2”

c. 1 ½”

The principal artery of the venting system to which vent branches maybe connected.

a. Main vent

b. Unit vent

c. Yoke vent

d. Relief vent

a. Main vent

Wet standpipe for a riser not more than 15 m.

a. 2”

b. 1”

c. 4”

d. 3”

a. 2”

A device that discharge a predetermined volume of water to fixture for flushing purposes and is activated by direct water pressure.

a. Urinals

b. Flushometer valve

c. Illumination

d. Siphon jet

b. Flushometer valve

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

a. Black flange

b. Blank flange

c. Blind flange

d. Flat flange

c. Blind flange

Minimum height of dry standpipe outlet from the floor line.

a. 60 mm

b. 61 mm

c. 53 mm

d. 50 mm

b. 61 mm

Trap size of fixtures for urinals (up).

a. 1”

b. ½”

c. 1 ¼”

d. 1 ½”

d. 1 ½”

A branch vents that performs its functions for two or more traps.

a. Main vent

b. Unit vent

c. Continuous vent

d. Group vent

d. Group vent

Trap size of fixtures for Sinks (kitchen or residence).

a. 2”

b. ¼”

c. 1”

d. 1 ½”

d. 1 ½”

A horizontal vent connecting one or more individual vents with a vent stack and stack vent.

a. Continuous vent

b. Common vent

c. Branch vent

d. Circuit vent

c. Branch vent

Minimum height of Fire Service Connection from the grade/floor.

a. 36 mm

b. 35 mm

c. 45 mm

d. 46 mm

d. 46 mm

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

a. Bathroom group

b. Fixtures group

c. Soil pipe group

d. Battery of fixtures

d. Battery of fixtures

Is a pipe connecting several fixtures.

a. Overhead storm drain

b. Sewage pipe

c. Branch vent

d. Fixture branch

d. Fixture branch

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

a. Pressure relief valve

b. Pressure loss valve

c. Friction loss valve

d. Pressure reducing valve

d. Pressure reducing valve

Used to connect the two ends pipes, neither of which can be turned.

a. Ferrule

b. Plug

c. Oakum

d. Union

d. Union

Ratio of lavatory to number of occupants.

a. Ratio of 1:4

b. Ratio of 1:3

c. Ratio of 1:5

d. Ratio of 1:2

c. Ratio of 1:5

Maximum height of Fire Service Connection from grade/floor.

a. 122 mm

b. 130 mm

c. 125 mm

d. 118 mm

a. 122 mm

A flange that is not drilled.

a. Blind flange

b. Blank flange

c. Flat flange

d. Double flange

b. Blank flange

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

a. Corner

b. Inside

c. Embedded

d. Recessed

d. Recessed

A type of fitting for yoke vent.

a. Wye fitting

b. Long sweep

c. Tee fitting

d. ¼ bend

a. Wye fitting

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

a. Catch basin

b. Underhead storm drain

c. Overhead storm drain

d. Culvert

c. Overhead storm drain

Is a device located at the bottom of the tank for the purpose of flushing water closets and similar fixtures.

a. Flush valve

b. Flushometer valve

c. Ball valve

d. Float valve

a. Flush valve

Is the extended portion of a pipe that is closed at one end to which no connections are made on the extended portion.

a. Cleanout

b. Dead end

c. Blind flange

d. Blank flange

b. Dead end

Install to be able to meet the water requirements during peak demands from a low yielding water well.

a. Artesian well

b. Flowing well

c. Water reservoir

d. Septic tank

c. Water reservoir

Process of flushing, cleaning to remove dirt by the flowing liquid through it.

a. Scouring

b. Cleaning

c. Draining

d. Scrubbing

a. Scouring

Ratio of urinals for elementary schools.

a. Ratio of 1:70

b. Ratio of 1:75

c. Ratio of 1:65

d. Ratio of 1:85

b. Ratio of 1:75

Trap size of fixtures for Urinal (stall).

a. 2 ½”

b. 3”

c. 1 ½”

d. 2”

d. 2”

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

a. 2”

b. 1 ½”

c. 2 ½”

d. 3”

d. 3”

Trap size of fixtures for Urinals (pedestal).

a. 2”

b. 3”

c. 4”

d. 1 ½”

b. 3”

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

a. Unit vent

b. Yoke vent

c. Stack vent

d. Local vent

a. Unit vent

Trap size of fixtures for pantry or bar.

a. 1 ½”

b. 1 ¼”

c. 1”

d. 2”

b. 1 ¼”

A vent that does not serve as drain and is located where it is not exposed to back up of waste from a drainage pipe.

a. Wet vent

b. Dry vent

c. Branch vent

d. Local vent

b. Dry vent

Color coding for fuel oil division.

a. White

b. Green

c. Blue

d. Black

d. Black

Trap size of fixtures for bath Shower stall.

a. 2 ¼”

b. 2”

c. 3”

d. 2 ½

b. 2”

Trap size of fixtures for Bidet.

a. 1 ½”

b. ¼”

c. ½”

d. 1”

a. 1 ½”

Minimum discharge pipe and fitting for bathtub.

a. 1 ¼”

b. 2 ½”

c. 1 ½”

d. 2”

c. 1 ½”

Wet standpipe for riser more than 15 m.

a. 2”

b. 4”

c. 2 ½”

d. 3”

c. 2 ½”

Sanitary, efficient very quiet. A toilet bowl which the flushing water enters through the rim and siphonic action initiated by a water jet draws the contents of the bowl through the trap way.

a. Siphon vortex

b. Siphon jet

c. Siphonage

d. Siphon wash

b. Siphon jet

Dry standpipe for a riser below 23 m.

a. 2”

b. 3”

c. 6”

d. 4”

d. 4”

It is a pipe on the fixture side of the trap through which vapor or foul air is removed from a room fixture.

a. Wet vent

b. Dry vent

c. Main vent

d. Local vent

d. Local vent

Tap used to measure pressure in a water system.

a. Pressure reducing valve

b. Pressure cock

c. Compression valve

d. Pressure relief valve

b. Pressure cock

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

a. Crown weirs

b. Dip

c. Tip

d. Invert

b. Dip

Water which undergoes treatment, either physical, biological or chemical means to improve water quality

a. Distilled water

b. Purified water

c. Fresh water

d. Mineral water

b. Purified water

A bathroom containing a water closet and a lavatory.

a. Full bath

b. Half bath

c. Enclosed shower room

d. toilet

b. Half bath

How many gallons of water for the water closet flushing requirements?

a. 30 gallons

b. 0.75 – 2 gallons

c. 3-5 gallons

d. 2-2.5 gallons

c. 3-5 gallons

Flushing is very noisy, expensive and has a low water usage (1.5 gpf) that helps conserve water. Large water surface makes this model efficient and design features make it suitable for residential use.

a. Pressure tank

b. Siphon vortex

c. Siphon jet

d. Wash down

a. Pressure tank

A vent connecting at the junction of two fixture drains and serving as a vent for both fixtures.

a. Branch vent

b. Continuous vent

c. Circuit vent

d. Common vent

d. Common vent

How can you differentiate between soil pipe and waste pipe when laid side by side.

a. Color

b. Smell

c. Diameter

d. Taste

c. Diameter

It is added to water to reduce salinity.

a.Chlorine

b.Electrolysis

c.Purifier

d.Clarifier

b.Electrolysis

Plumbing permit shall be invalid if work is not commenced after a period of,

a.120 days

b.1 year

c.2 years

d.360 days

b.1 year

Efficient but moderately noisy and its reasonably low cost. Most of the bowl surface is covered with water.

a. Wash down

b. Reverse trap

c. Siphon jet

d. Siphon vortex

b. Reverse trap

Expensive, flushing is very noisy and large water surface and large trap way size make this model efficient and suitable for commercial use.

a. Reverse trap

b. Pressure/tankless

c. Pressure/tank

d. Siphon jet

b. Pressure/tankless

Least efficient, most noisy type but lowest in cost.

a. Wash down

b. Reverse trap

c. Siphon jet

d. Siphon vortex

a. Wash down

Model is mostly of one piece construction with low profile, expensive and the large water surface provides a very efficient and clean process and the flushing is extremely quiet.

a. Siphon jet

b. Siphon vortex

c. Reverse trap

d. Wash down

b. Siphon vortex

Quiet flushing, have moderate cost and most popular residential model.

a. Siphon jet

b. Siphon wash down

c. Siphon vortex

d. Reverse trap

a. Siphon jet

What type of material used for the base of a septic tank.

a. Mass concrete

b. Reinforced concrete

c. Earth base

d. Light weight concrete

b. Reinforced concrete

When water comes out as soon as the fire sprinkler is activated, the system is.

a. Wet standpipe

b. Dry standpipe

c. Pre-action

d. Deluge

c. Pre-action

What is used to unclog a toilet?

a. Hand auger

b. Closet auger

c. Straight auger

d. Darsho’s auger

b. Closet auger