Plumbing Knowledge Quiz

What is the art and technique of installing pipes, fixtures, and other apparatuses in buildings to supply and remove liquids?

• Electrical

• HVAC

• Plumbing

• Masonry

Which type of pipe is commonly used for water supply systems?

• PVC

• CPVC

• Copper

• Cast Iron

What is the purpose of a P-trap in plumbing?

• To increase water pressure

• To prevent sewer gases from entering the building

• To connect hot and cold water lines

• To provide drainage for rainwater

Which plumbing fitting is used to connect two pipes of different sizes?

• Tee

• Coupling

• Reducer

• Elbow

What is the standard unit of measurement for water pressure in plumbing?

• PSI

• kWh

• BTU

• Ohm

Which material is commonly used for drain, waste, and vent (DWV) systems?

• Copper

• Galvanized steel

• PVC

• Aluminum

Which tool is used to tighten or loosen pipes?

• Pliers

• Wrench

• Screwdriver

• Hammer

What is the minimum slope required for a horizontal drain pipe?

• 1/16 inch per foot

• 1/8 inch per foot

• 1/4 inch per foot

• 1/2 inch per foot

Which plumbing fixture is used to control the flow of water?

• Drain

• Valve

• Trap

• Vent

What is the purpose of a vent pipe in plumbing?

• To carry wastewater

• To provide air circulation and prevent siphoning

• To drain water

• To control water temperature