Hot Water - PPT 3 - Pipework and Circulation

What is the function of vent pipes in a plumbing system?

• To increase water pressure

• To maintain system safety

• To reduce water temperature

• To enhance water flow speed

What impact does poor pipework design have on a plumbing system?

• It increases water temperature

• It reduces system efficiency

• It enhances water flow speed

• It maintains system safety

What is the purpose of the 22mm vent pipe in a direct plumbing system?

• To discharge into the CWSC and seal with a grommet

• To connect the heat source to the cylinder

• To reduce water pressure

• To increase water flow

In a direct plumbing system, what is the diameter of the primary circulating pipes?

• 15mm

• 22mm

• 28mm

• 30mm

What is the function of the heat source circulator in a direct plumbing system?

• To discharge water into the CWSC

• To connect the heat source to the cylinder

• To circulate heat or act as a back boiler behind a solid fuel fire

• To reduce the pipe diameter

What is the formula to determine the height of the vent in an indirect double feed system?

• 150mm + 40mm per metre of system height

• 100mm + 30mm per metre of system height

• 200mm + 50mm per metre of system height

• 120mm + 20mm per metre of system height

What is the capacity of the storage cistern fitted with BS 1212 part 2 FOV in the indirect double feed system?

• 150 litres

• 200 litres

• 100 litres

• 250 litres

What is the diameter of the primary flow and return pipes from the boiler to the coil in the cylinder?

• 22mm

• 15mm

• 28mm

• 30mm

What is the primary function of a vent pipe in a plumbing system?

• To increase water pressure

• To act as a safety relief

• To reduce water temperature

• To filter impurities

Where should the vent pipe be located in relation to the cold feed cistern?

• Below the cistern

• Beside the cistern

• Above the cistern

• Inside the cistern