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

Test your understanding with targeted questions

Question 1 Easy

Name one type of comfort air conditioning system.

💡 Hint: Think of systems used in homes.

Question 2 Easy

What is relative humidity?

💡 Hint: Think of moisture in the air.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

Which of the following is a type of comfort air conditioning system?

Industrial system
Window unit
Central chilled water system

💡 Hint: Think of systems installed in specific rooms.

Question 2

True or False? The combination of temperature and humidity determines thermal comfort.

True
False

💡 Hint: Consider what it feels like when it's hot or humid.

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Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

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.

💡 Hint: Convert liters to kilograms using density before calculating.

Challenge 2 Hard

Discuss how improper psychometric analysis can lead to inadequate air-conditioning design.

💡 Hint: Consider the balance of moisture and temperature during operation.

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