Efficiency Flashcards
1
Q
What are not 100% efficient?
A
Energy transfers
2
Q
What do all efficiencies exist between?
A
0 - 100%
3
Q
What is useful energy?
A
The energy transferred into the form of energy that is wanted
4
Q
What is wasted energy?
A
When energy is transferred into a form of energy that is not useful
5
Q
What are two typical forms of wasted energy?
A
Often thermal store or sound store
6
Q
How do you make an appliance more efficient?
A
Reducing the amount of wasted energy
7
Q
What is an example of making an appliance more efficient?
A
By using lubrication, tightening loose or moving particles and reducing electrical resistance
