Central Heating Level 2 Test

When setting the water volume in an F and E cistern, what allowance should be made for expansion of water?

• 2.5%

• 4%

• 10%

• 12%

when balancing a central heating system, what is the design temperature drop between flow and return pipework?

• 20°c

• 15°c

• 4°c

• 4.2°c

Where would Low Carbon Steel most likely be used?

• In Hard Water Areas

• When water is taken from a Private Well

• When domestic central heating is installed in a domestic environment

• When heating is installed in a commercial building

Which Building regulation covers energy efficiency?

• Part G

• Part J

• Part M

• Part L

What controls the time periods that operate a central heating system?

• Programmer

• Room Stat

• Alexia App

• Boiler Thermostat

What is used to create a water tight seal on radiator valves ?

• Silicon Sealant

• Hemp

• PTFE

• Flux

The purpose of a Frost Stat fitted to a heating system is...

• reduce the freezing point in the system

• Ensure freezing conditions will not damage the system

• Increase the Co2 footprint of the system

• Reduce the Co2 footprint of the system

What is the correct height above floor level for a room thermostat?

• 2.2 metres

• 2 metres

• 1.5 metres

• Less than 1 metre

On a Central heating system where should you locate the drain-off valves?

• In every room

• At the highest point in the system

• At the lowest point in the system

• These are not required on a domestic Central Heating System

Which one of the following would be included in a sealed central heating system?

• Expansion Vessel

• F& E System

• Pressure reducing valve

• Cold Water Storage Cistern