Thermal Comfort and Heating research 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, air pressure, relative humidity, air velocity

What is one of the benefits of heating a building using a hydronic (water-based) system?

Why are domestic dwellings heated?

What is the primary function of combi (combination) boilers?

• To store large amounts of hot water in tanks

• To provide instantaneous hot water and heat

• To cool down the house

• To filter water

How do combi boilers operate?

• By using a series of bulky tanks

• By utilizing a heat exchanger in a pressurised system

• By relying on solar panels

• By using a gravity-fed system

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.