Traditional Boilers Quiz phase 2 1.13

What is another name for traditional boilers?

• Combination boilers

• Heat only boilers

• Instant boilers

• Storage boilers

What additional component is required for traditional boilers to provide hot water?

• Expansion vessel

• Hot water storage cylinder

• Filling loop

• Relief valve

How can traditional boilers be filled?

• Directly from the main water supply

• Via a feed and expansion cistern or a filling loop

• Using a manual pump

• Through a solar panel system

What additional components are required if a filling loop is used with traditional boilers?

• Solar panels and a thermostat

• Expansion vessel and expansion relief valve

• Water filter and pressure gauge

• Heat exchanger and thermostat

For what purpose are traditional boilers normally used?

• As primary heating systems in new buildings

• As replacement boilers for older heating systems

• For industrial heating applications

• In portable heating units

What is the primary function of the first heat exchanger in a condensing boiler?

• To cool down the exhaust gases

• To heat the water when the boiler is fired

• To remove CO₂ from the exhaust gases

• To increase the temperature of the exhaust gases

What are the main components of the hot exhaust gases produced by a condensing boiler?

• Oxygen and nitrogen

• Hydrogen and methane

• CO₂ and water vapour

• Sulfur dioxide and carbon monoxide

At what temperature is the exhaust gas directed over the second heat exchanger in a condensing boiler?

• 100°C

• 150°C

• 230°C

• 300°C

At what temperature does the exhaust gas cool during the process described?

• 100°C

• 90°C

• 80°C

• 70°C

What happens to the water vapor during the process?

• It evaporates

• It condenses back into water

• It remains as vapor

• It turns into ice