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WorksheetsPrinciples of heat for plumbers
Total questions: 10
Worksheet time: 5mins
What makes the water flow from a boiler to a cylinder without the aid of a pump
Convection
Conduction currents
Radiation
Specific density
How does radiation heat travel
Convection currents in air
Ultraviolet light
Infrared light
From radiators
What heat transfer do panel radiators rely on to produce most of there heat output
Convection
Conduction
Radiation
Solar
What form of heat transfer does underfloor heating rely on to heat a room
Solar
Conduction
Convectional heat
Radiant heat
How does convectional heat transfer work
Convection occurs because: when molecules are heated they melt and rise; when they cool they fall
Convection occurs because: when molecules are heated they heat and rise; when they cool they fall
Convection occurs because: when molecules are heated they heat and fall; when they cool they rise
Convection occurs because: when molecules are heated they cool and rise; when they heat they fall
How does conduction heat work
Conduction happens when heat travels through or along air – (one molecule to the next).
Conduction happens when heat travels through a vacuum – (one molecule to the next).
Conduction happens when heat travels through space – (one molecule to the next).
Conduction happens when heat travels through or along a material – (one molecule to the next).
What heat transfer method does an indirect hot water cylinder use to heat domestic hot water
Convection
Conduction
Radiation
Which of these materials is a good conductor of heat
Which of these materials is the best insulator of heat
Which of these answers is true about convection
It can only take place in a solid material
It can only take place when the sun is out
It can only take place in a fluid or gas
It can only take place in a liquid
