007 Central Heating Quiz

Which one of the following documents in the building regulations covers the conservation of fuel and power in domestic properties?

• Part L1.

• Part L2.

• Part L3.

• Part L4.

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.

The type of heating system shown in the diagram below uses

• one two-port motorised valve

• two two-port motorised valves

• one three-port motorised valve

• two three-port motorised valves

An automatic bypass valve is activated by the

• boiler being 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 150 mm 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

• stored hot water

• boiler thermostat

• room it is installed in

• water in the heating system.

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

• no pressure

• positive pressure

• negative pressure

• both positive and negative pressure.

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.

When soundness testing a rigid pipe system, the test pressure should be

• 1 ½ times the maximum working pressure

• 2 times the maximum working pressure

• 2½ times the maximum working pressure

• 10 times the maximum working pressure.

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

• One pipe system.

• Two pipe system.

• Microbore system.

• Gravity pipe system.