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WorksheetsPlumbing
Total questions: 15
Worksheet time: 5mins
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
