6035 | Central Heating LO3

Approximately how much heat is convected through the fins on the back of the radiators?

• 100%

• 85%

• 50%

• 25%

Manufacturers recommend that depending on the height of the skirting, radiators should be fitted at least _____ from the floor.

• 100mm

• 150mm

• 250mm

• 400mm

Which of the following variation of connections for the radiator valves is most efficient?

• TBOE

• BBOE

• TBSE

• TTOE

Select the option which is not style of panel radiators?

• Seam top

• Compact

• Columned

• Rolled top

Low surface temperature radiators are designed in order to keep the surface temperature low enough to not cause harm to any that touch. What temperature does it not exceed?

• 75°C

• 52°C

• 43°C

• 25°C

Which of the following types of heat emitters potentially has blocked fins due to dust build-up?

• Skirting convector

• Fan convector

• Kickspace heater

• LST radiators

Which of the following types of heat emitters is similar to the finned radiators, but uses an electric fan?

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The diagram shown can be identified as:

• Insulation plan

• Floor layout

• Underfloor heating system

• Trace heating system

The specification for radiators and convectors is:

• BS 6700

• BS EN 406

• BS EN 442

• BS 8000

One radiator in the circuit must be left without a TRV fitted. Building Regulations state it should be the:

• Bathroom radiator

• Hallway radiator

• Front room radiator

• Kitchen radiator