Central Heating 6035-02 | Part 5

Which of the following cannot be a fuel type on a fully pumped system?

• Natural gas

• LPG

• Oil

• Solid fuel

If the installation does not follow the correct sequence and the circulator works under negative pressure, what will happen if air is drawn in to the system?

• The system will have excess water

• The system will corrode

• The system will lack water

• The system will require an additional circulator

Which of the following activates the hot water?

• Cylinder thermostat

• Room thermostat

• Programmer

• Boiler thermostat

Which of the following is used with light low carbon steel pipes?

• Steam and fire systems

• Heating and oil lines

• Gas

Which of the following is supplied to the property via the national grid? (Choose 2)

• Natural gas

• LPG

• Solid fuel

• Electricity

Which of the following is NOT incorporated into a sealed system?

• Expansion vessel

• Filling connection

• Filling loop

• Feed & expansion cistern

Which of the following systems cannot achieve the customer’s desired comfort temperature when the outside temperature is -1°C?

• Selective central heating

• Background central heating

• Full central heating

Which of the following tends to offer background heating?

• Panel radiator

• Fan convector

• Skirting convector

• Kickspace heater

What is the image shown?

• School grading scale

• Energy efficiency rating

• SEDBUK rating

Due to resistance from pipework, fitings and/or types of bends, which of the following radiators is likely to stay cool within a system?

• First radiator in the circuit

• Third radiator in the circuit

• Forth radiator in the circuit

• Heat sink radiator in the circuit