Hot Water Systems 1.1 part2 Quiz

What component replaces the vent pipe on an UNVHWSS?

• Expansion vessel

• Pressure reducing valve

• Thermostat

• Immersion heater

What happens to the boiling point of water when it is pressurised?

• It becomes solid

• It rises

• It decreases

• It remains the same

What are the two types of expansion methods used on UNVHWSS?

• Pressure reducing valve and immersion heater

• Internal expansion bubble and external expansion vessel

• Expansion vessel and thermostat

• Thermostat and heat exchanger

Which two methods can be used to heat the water in a DIRECT FIRED UNVHWSS?

• Thermostat and heat exchanger

• Immersion heaters and thermostat

• Pressure reducing valve and gas

• Expansion vessel and heat exchanger

Which internal component heats the water in an INDIRECT FIRED UNVHWSS?

• Coil heat exchanger

• Immersion heater

• Pressure reducing valve

• Expansion vessel