Rate Of Heat Transfer Flashcards
1
Q
in a vacuum flask there are vacuums what does this stop?
A
Conduction and convection though the sides
2
Q
In a vacuum flask why are there silvered surfaces?
A
To reduces the heat loss and to reflect the radiation back in
3
Q
How can the rate of energy transfer change? Name 3 examples
A
Size of the surface area
Objects in contact with heat
Different volumes
Material