keeping warm Flashcards
1
Q
What is the purpose of insulation
A
to slow down the rate at which energy is transferred outside a house by heating
2
Q
What 3 ways can heating be transferred
A
Conduction- solid
Convection - liquid/gas
Radiation- vacuum
3
Q
What is a low thermal conductivity
A
energy is not transferred through them easily
4
Q
What is a high thermal conductivity
A
energy is transferred through them easily
5
Q
What are some ways we can reduce unwanted energy transfers
A
Streamlining, Lubrication, Thermal insulation
