Unit 307 Central heating 9189 quiz

What distance should a radiator fitted from the floor

• 300mm

• 350mm

• 100mm

• 150mm

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

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

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

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

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

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

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

• No pressure

• Positive pressure

• Negative pressure

• Both positive and negative pressures

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

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

• One-pipe system

• Two-pipe system

• Microbore system

• Gravity pipe system