Practice Psychrometry Of Air-conditioning Systems (2) - Air-Conditioning Systems

Practice: Psychrometry of Air-Conditioning Systems

Lesson 2Air-Conditioning Systems

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9 questions

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2 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 the dry bulb temperature?
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Think of a standard thermometer reading.
Question 2.
What does WBT stand for?
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Consider evaporation effects.
3Question 3.
What is relative humidity?
- The amount of moisture in the air compared to the air temperature.
- The amount of moisture in the air compared to the saturation level.
- The temperature at which air condenses.
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Think about saturation limits.
4Question 4.
True or False: The dew point represents the temperature at which condensation occurs.
- True
- False
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Think about everyday experiences with moisture.
Question 5.
Given a dry bulb temperature of 30°C and a wet bulb temperature of 25°C, calculate the relative humidity.
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Look for standard psychrometric charts for support.
Question 6.
In an HVAC system, when air with a humidity ratio of 0.01 kg/kg passes through a cooling coil dropping to a dew point of 15°C, describe the changes occurring in the air.
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Use the concepts discussed about cooling and dehumidification processes.

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