Practice Humidity (3.1.3) - Air-Conditioning Systems - Refrigeration and Air Conditioning

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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 does relative humidity indicate?
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Think about what 'relative' means.
Question 2.
What is the typical ideal range for relative humidity in indoor spaces?
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Recall the comfort zones discussed earlier.
3Question 3.
What does relative humidity measure?
- A. The amount of water in the air
- B. The ratio of current moisture to saturation moisture
- C. The dryness of air
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Focus on the word 'relative' in its definition.
4Question 4.
Is high humidity always uncomfortable?
- True
- False
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Think about how humidity feels on a hot day.
Question 5.
Given a room with a DBT of 30°C and an RH of 90%, explain the discomfort caused.
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Think about evaporation and how it cools the skin.
Question 6.
If a building needs to reduce its humidity from 70% to 50% in summer, what strategies can be employed?
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Consider how HVAC systems interact and ensure airflow.

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