9189 - Phase 2 - Unit 307 - Central Heating Systems

1. Which one of the following Building Regulations discusses the control of heating systems within new-build dwellings?

• Part L1a
• Part L1b
• Part L2a
• Part L2b

2. Which one of the following describes the purpose of background heating?

• Heat the property quicker than full central heating
• Heat only certain rooms in the property, as required
• Heat the property to a lower temperature than full central heating
• Heat the property to a higher temperature than full central heating

3. Identify the type of heating system shown in the image below.

• Open vented S-plan system
• Sealed S-plan system
• Open vented Y-plan system
• Sealed Y-plan system

4. An automatic bypass valve is activated by which of the following?

• Boiler shutting off
• Programmer being switched on
• Pressure created within the system
• Pressure of the incoming water service

5. The main reason a radiator should be installed 150mm above floor level is to…

• Reduce the risk of fire
• Allow the heat to circulate
• Protect the flooring from possible leaks
• Allow easier access for maintenance work

6. A thermostatic radiator valve opens and closes as a result of the temperature of the…

• Primary circuit
• Boiler
• Space it’s installed in
• Return pipework

7. A pump should be positioned so that the heating system is operating under…

• No pressure
• Positive pressure
• Negative pressure
• Both positive and negative pressures

8. An automatic air vent should be positioned at the…

• Highest part of the system
• Lowest point of the system
• Point where the vent enters the system
• Point where the cold feed enters the system

9. Which one of the following central heating systems uses a manifold?

• One-pipe system
• Two-pipe system
• Microbore system
• Gravity pipe system

10. Installing an air separator allows which one of the following to take place?

• Close coupling of the cold feed and vent connections
• Close coupling of the flow and return connections
• Close coupling of the pump and the vent connections
• Close coupling of the motorised valve connections