Central Heating Systems Quiz

What is the main purpose of central heating systems?

• To cool the building

• To provide thermal comfort

• To improve air quality

• To reduce noise

Why is central heating preferable to open fires?

• It is cheaper

• It heats the whole property

• It is more environmentally friendly

• It requires less maintenance

To what are heat emitters connected in a hydronic heating system?

• Solar panels

• Air conditioners

• Heat generators

• Water tanks

Where is the feed and expansion (F&E) cistern typically located in low-pressure, open-vented systems?

• Basement

• Roof space

• Kitchen

• Garage

What is the main source of water for sealed, pressurised central heating systems?

• Rainwater collection

• Mains cold water supply

• River water

• Well water

What is the purpose of an expansion vessel in a sealed, pressurised system?

• To store extra water

• To take up the expansion of water when heated

• To filter impurities

• To increase water pressure

What is the typical pipework size range for a microbore central heating system?

• 15mm to 35mm

• 20mm to 40mm

• 8mm to 10mm

• 5mm to 15mm

What is the purpose of the inhibitor in the heating system water?

• To increase water temperature

• To prevent corrosion of metals

• To reduce water flow

• To enhance heat transfer

What does a system boiler contain?

• All components within the boiler case

• Only the heat exchanger

• Controls and pump

• Gas burner and minimum controls

Which component is external to a traditional boiler?

• Heat exchanger

• Gas burner

• Pump and cylinder

• Controls