Efficiency And Sanky Diagrams Flashcards
1
Q
What is useful energy measured in?
A
Joules
2
Q
What is total energy measured in?
A
Joules
3
Q
Energy efficiency is in between what?
A
0-1
4
Q
What is waste energy?
A
Some of the energy input is lost or wasted
5
Q
The less energy that is wasted the more what?
A
The more efficient the device is said to be
6
Q
What is the total energy input?
A
The energy supplies to the machine
7
Q
What is the useful energy called?
A
The useful energy output
8
Q
What does the thickness of the arrow in a Sankey Diagram represent?
A
The amount of energy
9
Q
What are Sankey Diagrams?
A
Energy transformation diagrams
10
Q
How is efficiency calculated?
A
Useful output energy divided by total input energy (x100)
