Central Heating Systems QuizL3P2U7,1.12

Which boiler contains two heat exchangers?

• System boiler

• Combination boiler

• Condensing boiler

• Traditional boiler

Which boiler contains a plate heat exchanger?

• Condensing boiler

• System boiler

• Combination boiler

• Traditional boiler

Which boiler can only be used on a sealed heating system?

• System boiler

• Condensing boiler

• Traditional boiler

• Combination boiler

What temperature are flue gases?

• 90oC

• 150oC

• 230oC

• 300oC

What is the other name for traditional boilers?

• System boilers

• Combi boilers

• Condensing boilers

• Heat only boilers

What is the efficiency of condensing boilers?

• 95%

• 90%

• 85%

• 80%

Where is the condensate removed from the condensing boiler?

• Heating circulation pump

• Condensate pipe

• Expansion vessel

• Flue

What is the role of the plate heat exchanger in a combination boiler?

• Heating the water in the primary heat exchanger

• Heating the mains cold water for hot water delivery

• Removing heat from exhaust gases

• Diverting water through the heating system

What is the purpose of an expansion vessel in a boiler system?

• To control the water flow

• To heat the water

• To accommodate the expansion of water

• To remove condensate

Where is the feed and expansion cistern positioned in a traditional boiler system?

• In the flue

• In the boiler casing

• At the highest point

• In the heating circulation pump