GCSE Physics – Ways to increase efficiency
Learning Objectives
-I can describe why a system might not be 100% efficient
-I can describe ways to increase the efficiency of a system
Quiz Summary
0 of 10 Questions completed
Questions:
Information
You have already completed the quiz before. Hence you can not start it again.
Quiz is loading…
You must sign in or sign up to start the quiz.
You must first complete the following:
Results
Results
0 of 10 Questions answered correctly
Your time:
Time has elapsed
You have reached 0 of 0 point(s), (0)
Earned Point(s): 0 of 0, (0)
0 Essay(s) Pending (Possible Point(s): 0)
| Average score |
|
| Your score |
|
Categories
- Not categorized 0%
- 1
- 2
- 3
- 4
- 5
- 6
- 7
- 8
- 9
- 10
- Current
- Review
- Answered
- Correct
- Incorrect
-
Question 1 of 10
1. Question
What is the definition of efficiency?
CorrectIncorrect -
Question 2 of 10
2. Question
What is the definition of efficiency?
CorrectIncorrect -
Question 3 of 10
3. Question
What is the maximum possible efficiency?
CorrectIncorrect -
Question 4 of 10
4. Question
Why might a system not be 100% efficient?
CorrectIncorrect -
Question 5 of 10
5. Question
How does lubrication improve efficiency?
CorrectIncorrect -
Question 6 of 10
6. Question
What is lubrication used to reduce?
CorrectIncorrect -
Question 7 of 10
7. Question
How does insulation improve efficiency?
CorrectIncorrect -
Question 8 of 10
8. Question
What energy is insulation used to transfer?
CorrectIncorrect -
Question 9 of 10
9. Question
What is insulation used to reduce?
CorrectIncorrect -
Question 10 of 10
10. Question
How can a building be warmed up?
CorrectIncorrect
