Practice Dry Air (1.1) - Psychrometrics and Air Conditioning Processes

Practise this section

9 questions

Flashcard drill
4 cards from this section. Quick, good the night before a test.
Exercise
6 questions · about 4 min · pass mark 70%. Hints available.
Sign up to start the exercise
Quiz
3 questions · about 2 min · pass mark 70%. Hints available.
Sign up to start the quiz

6 sample questions

Question 1.
Define dry air.
Show hintHide hint
Think about the main components of air.
Question 2.
What does wet-bulb temperature measure?
Show hintHide hint
It involves a wetted thermometer.
3Question 3.
What is the primary component of dry air?
- Oxygen
- Nitrogen
- Carbon Dioxide
Show hintHide hint
One gas makes up most of the air we breathe.
4Question 4.
True or False: The wet-bulb temperature is always greater than the dry-bulb temperature.
- True
- False
Show hintHide hint
Think about what wet-bulb measures.
Question 5.
Given a partial pressure of water vapor at 3 kPa and the corresponding saturation pressure at 6 kPa, calculate the relative humidity. What does this imply about the air quality?
Show hintHide hint
Use the relative humidity formula.
Question 6.
Explain the effects of high relative humidity on human comfort, particularly during warm weather, and relate this to dew point temperature.
Show hintHide hint
Think about how humidity impacts sweat evaporation.

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