Heat transfer& energy efficiency in the house

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What speeds up the rate of heat transfer?
Surface area
1 of 6
In a hot climate what size ears would animals have and why?
Larger increase surface area loos heat quicker
2 of 6
What is payback time?
The money you saved on heating bills equals the initial cost of putting in the insulation
3 of 6
Cavity wall insulation prevents what?
Convection currents between walls and radiation across gaps
4 of 6
Loft insulation prevents what?
Conduction and radiation
5 of 6
Draught proofing stops what?
Convection
6 of 6

Other cards in this set

Card 2

Front

In a hot climate what size ears would animals have and why?

Back

Larger increase surface area loos heat quicker

Card 3

Front

What is payback time?

Back

Preview of the front of card 3

Card 4

Front

Cavity wall insulation prevents what?

Back

Preview of the front of card 4

Card 5

Front

Loft insulation prevents what?

Back

Preview of the front of card 5
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