9189 Hot Water Systems & Design Phase 3 Revision Mock QUIZ

What is the most popular way of heating the hot water supply in the UK?

• Electricity

• Oil

• Gas (natural gas)

• Solar energy

Which type of gas is used as an alternative for properties not connected to the gas network?

• Natural gas

• Liquid petroleum gas (LPG)

• Biogas

• Hydrogen

What is a characteristic of liquid propane compared to liquid butane?

• Higher boiling point

• Lower boiling point

• More expensive

• Less efficient

Which of the following is NOT a fossil fuel used for heating water?

• Gas (natural gas)

• Oil

• Electricity

• Coal

What is the primary source of energy for solar thermal technology?

• Wind

• Sun

• Geothermal

• Biomass

Which type of hot water system delivers water from a central point to all outlets in a dwelling?

• Localised systems

• Centralised systems

• Open vented systems

• Unvented systems

What is biomass primarily used for?

• Cooling systems

• Heating fuel

• Electrical wiring

• Water purification

What is a characteristic of open vented hot water storage systems?

• Closed to the atmosphere

• Use an expansion vessel

• Open to the atmosphere

• Use a heat pump

What type of hot water system is often called a single point or point of use system?

• Centralised systems

• Localised systems

• Thermal stores

• Gas fired combination boilers

What is the purpose of the vent pipe in an open vented hot water storage system?

• To heat the water

• To prevent the system from overheating

• To increase water pressure

• To filter the water