GMJ 6189 CH revision. #A

Which one of the following types of heating system uses the components shown in the image below?

• S plan

• Y plan

• W plan

• C plan

A heating system can be installed without separated timed space heating zones in a domestic dwelling, providing the floor area is not larger than?

• 100 m2

• 150 m2

• 1000 m2

• 1500 m2

Which one of the following recognises the outside temperature and regulates the boiler heat output accordingly?

• Room thermostat

• Anemometer

• Cavity thermostat

• Weather compensator

The combination of a fan and heat exchanger is used in the installation of which one of the following?

• Micro combined heat and power

• Air source heat pump

• Ground source heat pump

• Biomass heating system

Which one of the following components is designed to minimise the amount of uncontrolled energy from the pipework in an under floor heating system?

• Gravity valve

• Pump

• Manifold

• Pipe coil

The main function of an under floor heating manifold when fitted with flow metres is to

• Measure water flow

• Aid system balancing

• Isolate heating appliances

• Aid chemical treatment

What is the recommended maximum number of circuits when a single manifold is used on an under floor heating system, in order to avoid overheating?

• 4-7

• 8-9

• 10-12

• 15-18

The installation of multiple boilers in a heating system incorporating flow and return connections is recommended with the use of a

• Buffer cistern

• Large F and E cistern

• Larger heat emitter

• Low loss header

Building Regulations Part L1B covers the requirements for new central heating system installations in

• New commercial buildings

• New industrial buildings

• Existing commercial buildings

• Existing domestic dwellings

A customer would like to change the layout of central heating pipework, which one of the following actions should be taken?

• Alter the pipework accordingly in accordance with the customer’s request

• Ask the customer to draw out a scale drawing of the new proposal

• Check customers request comply with current regulations

• Explain that the work has been agreed and an alteration would be impossible