Worksheets6035 | Central Heating LO3
Total questions: 10
Worksheet time: 5mins
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?
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
