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WorksheetsPLUMBING
Total questions: 45
Worksheet time: 19mins
A person who installs pipes, fixtures and other apparatus to convey and supply water in buildings and to dispose and discharge waste water.
Carpenter
Mason
Plumber
Plumbing
Is a receptacle or vault used to collect organic waste discharged from the house sewer.
Septic Tank
Manhole
Water Tank
Waste Tank
The semi-liquid substance accumulated at the bottom of the septic tank.
Scum
Sediment
Sludge
Silt
It refers to the lighter organic material that rises to the surface of the water.
Froth
Aerobic
Scum
Anaerobic
An underground tunnel that carries off the drainage and waste matter from a home or town is called:
Drainage System
Fixture
Sewerage
Sewer
The pipe that conveys waste from various fixture other than from the water closet.
Waste pipe
Soil Pipe
Vent Pipe
Drain Pipe
It is a fitting or device that provides liquid seal to prevent the back passage of air.
Loop
Fixture
Sewer
Trap
The tools used to tighten or loosen hexagonal fittings like unions and other metal fittings.
Pipe Vise
Pliers
Wrenches
Threader
The kind of fitting used to connect fixed pipe and fixtures is a _______
Wye fitting
Coupling
Union fitting
Reducer
A fitting or device installed at the inlet of a water pump to prevent backflow of water.
Ball valve
Check Valve
Blackwater valve
Gate Valve
What material is used to seal off threaded fittings to avoid leakage?
Masking Tape
Teflon Tape
Scotch Tape
Adhesive Gum
What must be installed to prevent siphonage or backflow of the water seal in the drainage system?
Vent Pipe
Drain Pipe
Soil Pipe
Cleanout
Which of the following in not required by the National Plumbing Code?
Drainage pipe should be inclined properly for a downward gravity flow of water.
Drainage pipe should be provided with adequate cleanout.
No vent pipe is needed.
All pipe joints must be well- fitted and tightly connected.
What is the ideal inclination of a horizontal waste pipe as recommended by the NPC?
2%
3%
4%
0%
Plastic pipes are commonly used in water fixture installation nowadays. Which of the following is preferred?
Polyvinyl Chloride(PVC)
Chlorinated PVC(CPVC)
Cross-linked polyethylene (PEX)
Polyethylene
Adjustable Wrench
Pipe Wrench
T-handle Torque Wrench
PVC Scissors
Hacksaw
PVC Saw
Drain and Trap Auger
Meter Key
Plunger
Adjustable Wrench
Basin Wrench
Pipe Wrench
PCV Scissors
Pipe Saw
Tubing Cutter
Slip Joint Pliers
Long-nose Pliers
Side-cutting Pliers
Valve Seat Wrench
Side-cutting Pliers
Meter Key
Long-nose Pliers
Diagonal Pliers
Split Joint Pliers
Valve Seat Wrench
T-handle Torque Wrench
Adjustable Wrench
Basin Wrench
Spud Wrench
Valve Seat Wrench
It cuts through old galvanized pipes, rusted bolts, and if necessary, copper tubing.
It is a tool that has smooth jaws made to fit in small nuts, bolts, square and hexagon fittings.
It is a tool that has a movable toothed jaw used to tighten and loosen pipe fitting.
it is used to cut copper tubing
It is also called "Rib-joint pliers"
What is the name of this fitting?
union
elbow
tee
coupling
What is the name of this fitting?
90
tee
elbow
coupling
What is the name of this fitting?
female adapter
union
male adapter
coupler
What is the name of this fitting?
45
male adapter
reducer
union
What is the name of this fitting?
45 degree elbow
Bent coupling
C x C sweat 90
C x C reduder
What is the name of this fitting?
C x M adapter
Threaded coupling
Outside threaded union
45 degree elbow
What is the name of this fitting?
90
Copper sweat 90
Street 45
Street 90
What is the name of this fitting?
Sweat x female bushing
Inside threaded coupling
Straight union
Reducing coupling
What is the name of this fitting?
45 degree elbow
Street 45
Offset coupling
Tee
What is the name of this fitting?
Eared tee
C x C drop ear 90
Inside threaded 90
C x F drop eared 90
What is the name of this fitting?
45
90
180
Street 45
What is the name of this fitting?
Coupling
Reducing Coupling
Increaser Coupling
Both 2 & 3 depending on its direction
What is the name of this fitting?
Sweat x female tee
Copper x female tee
C x F x C tee
All of the above are correct
It is important to know your fittings because
It is required knowledge in the field and your job
It is important to know to be able to work efficiently
The same fitting may be called by several different names
All of the above are important reasons
Select the copper tube with the thickest wall.....
Type DWV
Type L
Type K
Type M
