Practice Key Psychrometric Properties (2.1)

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9 questions

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6 sample questions

Question 1.
Define Dry Bulb Temperature.
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Think about what a regular thermometer shows.
Question 2.
What does the Wet Bulb Temperature indicate?
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Consider how moisture affects temperature readings.
3Question 3.
What is Dry Bulb Temperature?
- A measure of humidity
- The air temperature
- The heat content of air
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It's what you would read on a thermometer.
4Question 4.
True or False: Wet Bulb Temperature is only influenced by the ambient temperature.
- True
- False
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Consider what happens when water evaporates in the air.
Question 5.
An air-conditioning system has a DBT of 30°C and a WBT of 24°C. Calculate the relative humidity if the saturation pressure at 30°C is 4.24 kPa.
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Use the saturation pressure values to find the ratio.
Question 6.
If the enthalpy of air at 35°C DBT and 20°C WBT is 95 kJ/kg, determine how this informs cooling strategies in a building.
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Consider how high enthalpy impacts cooling load calculations.

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