Practice Reduction Of Irreversibility (3.5) - Vapour Compression & Refrigeration Systems

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10 questions

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6 questions · about 4 min · pass mark 70%. Hints available.
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4 questions · about 3 min · pass mark 70%. Hints available.
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6 sample questions

Question 1.
What does COP stand for?
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It's a measure of efficiency.
Question 2.
What is subcooling?
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Think about lowering temperature before a phase change.
3Question 3.
What does COP stand for?
- Coefficient of Performance
- Cooling of Performance
- Capacity of Performance
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It's essential for measuring refrigerant system efficiency.
4Question 4.
True or False: Superheating is always beneficial to a refrigeration system.
- True
- False
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Think about the balance in heating before compression.
Question 5.
A refrigeration system operates at a COP of 3. If the work input is 200 W, what is the cooling effect it generates?
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Coping with COP! Use the formula.
Question 6.
Discuss the environmental implications of using high-GWP refrigerants compared to low-GWP alternatives in terms of efficiency and COP.
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Think about the choices and their long-lasting effects!

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