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7. Summary
This section
Practice test
12 questions on this section. Wrong answers show you what to read again.
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Revision test
Mixed questions from across the chapter. Your answers get marked.
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Flashcard drill
4 cards from this lesson. Good the night before a test.
Try these first
- 1.
What is the main purpose of refrigeration?
Hint
Think about what refrigeration does in a refrigerator.
- 2.
Name one example of natural refrigeration.
Hint
Consider how people used to keep things cool before modern methods.
- 3.
What is refrigeration primarily used for?
- Heating
- Reducing temperature
- Humidifying air
Hint
Remember the main function of a refrigerator.
- 4.
True or False: Air conditioning only controls temperature.
- True
- False
Hint
Consider the multiple factors that affect comfort.
- 5.
Analyze the environmental impact of using synthetic refrigerants versus natural ones.
Hint
Consider the long-term effects of each type on the environment.
- 6.
Design a small refrigeration system based on vapor absorption principles utilizing solar energy.
Hint
Think about how solar energy can replace traditional heating sources.
Exercises
Total Questions
2
Estimated Time
4 min
Passing Score
70%
Instructions
- Read each question carefully
- You can use hints if you need help
- Complete all questions before submitting
4 more questions available
Enrol freeQuiz
Total Questions
2
Estimated Time
4 min
Passing Score
70%
Instructions
- Read each question carefully
- You can use hints if you need help
- Complete all questions before submitting
2 more questions available
Enrol freeChallenge Problems
Total Questions
2
Estimated Time
4 min
Passing Score
70%
Instructions
- Read each question carefully
- You can use hints if you need help
- Complete all questions before submitting