Instantaneous Water Heaters phase 1 1.1 pt3

What is a characteristic of instantaneous water heaters?

• They contain stored hot water.

• They heat water directly from the cold supply.

• They require a large storage tank.

• They are only used in industrial settings.

Which of the following is a type of instantaneous water heater?

• Thermal stores

• Solar water heaters

• Electric kettles

• Gas ovens

What is another type of instantaneous water heater besides thermal stores?

• Instantaneous multipoint water heaters

• Solar panels

• Refrigerators

• Microwave ovens

Which type of water heater is known as a "combi" boiler?

• Combination boilers

• Thermal stores

• Electric heaters

• Gas stoves

What is the primary function of thermal stores?

• To cool water from the cold water main

• To store cold water for later use

• To heat water by passing it through heat exchangers

• To filter impurities from water

At what temperature are the heat exchangers in thermal stores surrounded by water?

• 50ºC

• 60ºC

• 80ºC

• 100ºC

How is the large hot water vessel in thermal stores heated?

• By solar panels

• By a boiler

• By electric heaters

• By geothermal energy

What is the function of the central heating pump in the diagram?

• To circulate hot water through the heating system

• To heat the water in the boiler

• To cool down the water before it enters the boiler

• To provide electricity to the system

Which component in the diagram is responsible for mixing hot and cold water?

• Isolation valve

• Adjustable thermostatic mixing valve

• Expansion chamber

• Central heating pump

Where does the mains cold water enter the system in the diagram?

• Through the boiler

• Through the heat exchanger

• Through the mains cold water inlet

• Through the expansion chamber