Hot Water Systems 1.1 part 4 Quiz

Where are localised hot water systems installed?

• In places where connection to the main source of hot water is difficult

• In places where connection to the main source of hot water is easy

• In places where connection to the main source of hot water is convenient

• In places where connection to the main source of hot water is accessible

What is the output of a hand wash water heater?

• 4kW

• 5kW

• 3kW

• 2kW

Which type of control do oversink storage hot water heaters have?

• Outlet control

• Inlet control

• Temperature control

• Pressure control

Why should the outlet to an oversink hot water storage heater always be open?

• To regulate the temperature of the water

• To allow for water expansion when the water is heated

• To prevent water from escaping

• To increase the pressure of the water

Where does the expansion of water go on an unvented undersink water heater?

• It is released into the atmosphere

• It is stored in a separate tank

• It is discharged into the main water supply

• It expands within the pipework