Practice Liquid Subcooling (3.1) - Vapour Compression & Refrigeration Systems

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9 questions

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3 cards from this section. Quick, good the night before a test.
Exercise
6 questions · about 4 min · pass mark 70%. Hints available.
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Quiz
3 questions · about 2 min · pass mark 70%. Hints available.
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6 sample questions

Question 1.
What is liquid subcooling?
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Think about what happens after the refrigerant leaves the condenser.
Question 2.
Why is COP important?
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Consider the relationship between input energy and output cooling.
3Question 3.
What is liquid subcooling?
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Remember the definition and its context in the refrigeration cycle.
4Question 4.
Does subcooling increase or decrease the COP?
- Increase
- Decrease
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Think about how efficiency relates to energy output.
Question 5.
A refrigeration system has a COP of 3 and utilizes subcooling, which increases its COP by 20%. Calculate the new COP.
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Apply the percentage increase formula.
Question 6.
Explain why reducing liquid refrigerant temperature improves the cooling effect in terms of thermodynamic principles.
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Think about how heat transfer principles work.

5 more questions in this section. Enroll free to practise them all.