pre knowledge quiz for Heating Quiz

What are the four factors related to thermal comfort in domestic dwellings?

• Air temperature, mean radiant temperature, relative humidity, air velocity

• Air temperature, mean radiant temperature, air pressure, air velocity

• Air temperature, mean radiant temperature, relative humidity, air pressure

• Air temperature, mean radiant temperature, air pressure, air density

What is the primary function of combi (combination) boilers in domestic heating systems?

• To store large amounts of hot water

• To provide instantaneous hot water and heat

• To cool down the house

• To operate without any water

What do combi boilers operate with?

• A non-pressurised system

• A pressurised system

• A solar panel system

• A wind turbine system

What component do combi boilers utilise in their operation?

• A cooling fan

• A heat exchanger

• A water tank

• A gas cylinder

What type of dwellings are combi systems suitable for?

• Large houses with multiple bathrooms

• Smaller dwellings with one bathroom and a cloakroom/toilet

• Industrial buildings

• Office complexes

What type of heating system is usually used in combi systems?

• Single-pipe system

• Three-pipe system

• Two-pipe parallel return system

• Four-pipe system

How is hot water heated in combi systems?

• By storing it in a tank

• By using solar panels

• Instantaneously through a plate heat exchanger

• By using electric heaters

What is a limitation of combi boilers?

• They are too expensive

• They have a high flow rate

• They are not suitable for large houses with many rooms

• They require a lot of maintenance

What is one of the benefits of a combi boiler?

• It provides constant instantaneous hot water.

• It requires a large storage cylinder.

• It cannot be controlled by a thermostat.

• It has high energy loss.

Which of the following is NOT a benefit of a combi boiler?

• No energy loss from a storage cylinder.

• Heating can be finely controlled by a cordless programmable thermostat unit.

• Requires a large storage cylinder.

• Constant instantaneous hot water.