Central Heating Quiz phase 2 1.4/5

What are the two methods of heat transfer used by panel radiators?

• Conduction and convection

• Radiation and convection

• Conduction and radiation

• Convection and evaporation

Which materials are commonly used to manufacture column radiators?

• Cast iron and steel

• Cast iron and cast aluminium

• Steel and aluminium

• Copper and aluminium

What is the preferred temperature of a low surface temperature heat emitter?

• 30°C

• 35°C

• 40°C

• 43°C

Where would a plinth heater typically be used?

• Living room

• Bedroom

• Bathroom

• Kitchen

Apart from wet central heating systems, what fuel can also be used with some towel warmers?

• Natural gas

• Propane

• Electricity

• Oil

What percentage of heat emitted by panel radiators is through convection?

• 30%

• 50%

• 70%

• 90%

What is the purpose of fins on the back of panel radiators?

• To increase radiation

• To increase conduction

• To increase convection

• To increase evaporation

What is the disadvantage of column radiators in terms of heating up?

• They heat up faster than panel radiators

• They take longer to heat up than panel radiators

• They have the same heating up time as panel radiators

• They don't heat up at all

What are fan convectors connected to for their electricity supply?

• A battery

• A generator

• A solar panel

• A switched fuse spur

What is the purpose of tubular towel warmers?

• To warm the bathroom

• To warm the towel

• To cool the bathroom

• To cool the towel