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3.1. Liquid Subcooling
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Mixed questions from across the chapter. Your answers get marked.
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Flashcard drill
3 cards from this lesson. Good the night before a test.
Try these first
- 1.
What is liquid subcooling?
Hint
Think about what happens after the refrigerant leaves the condenser.
- 2.
Why is COP important?
Hint
Consider the relationship between input energy and output cooling.
- 3.
What is liquid subcooling?
Hint
Remember the definition and its context in the refrigeration cycle.
- 4.
Does subcooling increase or decrease the COP?
- Increase
- Decrease
Hint
Think about how efficiency relates to energy output.
- 5.
A refrigeration system has a COP of 3 and utilizes subcooling, which increases its COP by 20%. Calculate the new COP.
Hint
Apply the percentage increase formula.
- 6.
Explain why reducing liquid refrigerant temperature improves the cooling effect in terms of thermodynamic principles.
Hint
Think about how heat transfer principles work.
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
1 more question 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