Ag Mech 2 Plumbing Quiz

What type of pipe is commonly used for water supply in plumbing?

• Steel

• Aluminum

• PVC

• Copper

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

• To allow easy access for cleaning

• To increase water pressure in the system

• To provide extra support for the pipes

• To prevent sewer gases from entering the building and to maintain a water seal

What tool is used to cut PVC pipe?

• Screwdriver

• Hammer

• Chainsaw

• PVC pipe cutter

What is the function of a pressure relief valve in a water heater?

• To reduce the water flow

• To add more water to the tank

• To release excess pressure and prevent the tank from exploding

• To increase the water temperature

What is the purpose of a vent pipe in a plumbing system?

• To prevent water from flowing through the pipes

• To block the flow of air in the pipes

• To allow air to enter the pipes and prevent a vacuum from forming

• To increase the water pressure in the pipes

What is the standard size for a residential water supply pipe?

• 2 inch

• 3/4 inch

• 1 inch

• 1/2 inch

What is the function of a ball valve in a plumbing system?

• To heat the water

• To increase water pressure

• To filter the water

• To control the flow of water

What is the purpose of a dielectric union in a plumbing system?

• To improve water quality

• To increase water pressure

• To prevent galvanic corrosion

• To reduce pipe noise

What is the recommended slope for drain pipes in a plumbing system?

• 1/8 inch per foot

• 1/4 inch per foot

• 1 inch per foot

• 1/2 inch per foot

What is the function of a check valve in a plumbing system?

• Prevent backflow

• Filter out sediment

• Increase water pressure

• Regulate water temperature