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

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

In a vacuum flask why are there silvered surfaces?

A

To reduces the heat loss and to reflect the radiation back in

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
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

How well did you know this?
1
Not at all
2
3
4
5
Perfectly