Practice Central (1.5.2) - Air-Conditioning Systems - Refrigeration and Air Conditioning

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8 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
2 questions · about 1 min · pass mark 70%. Hints available.
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6 sample questions

Question 1.
Name one type of comfort air conditioning system.
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Think of systems used in homes.
Question 2.
What is relative humidity?
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Think of moisture in the air.
3Question 3.
Which of the following is a type of comfort air conditioning system?
- Industrial system
- Window unit
- Central chilled water system
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Think of systems installed in specific rooms.
4Question 4.
True or False? The combination of temperature and humidity determines thermal comfort.
- True
- False
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Consider what it feels like when it's hot or humid.
Question 5.
An industrial air conditioner supplies chilled water at 7°C. If the flow rate is 10 L/s, calculate the cooling capacity in kW if the specific heat of water is 4.18 kJ/kg°C and the density of water is approximately 1000 kg/m³.
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Convert liters to kilograms using density before calculating.
Question 6.
Discuss how improper psychometric analysis can lead to inadequate air-conditioning design.
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Consider the balance of moisture and temperature during operation.

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