The dry bulb temperature is 56°F (13.3°C)...

Question 1 / 2707066636ee928f7522a1c51961f

Question 1 of 2707066636ee928f7522a1c51961f

The dry bulb temperature is 56°F (13.3°C) and the wet bulb temperature is 56°F (13.3°C). What is the relative humidity?

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Question 1 of 27070

The dry bulb temperature is 56°F (13.3°C) and the wet bulb temperature is 56°F (13.3°C). What is the relative humidity?

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🔍 Key Concepts

• Psychrometric chart: how dry bulb and wet bulb temperatures plot on the chart you were given • Relationship between dry bulb vs. wet bulb difference and relative humidity • What happens to evaporation and cooling when the air is already holding a lot of moisture

💭 Think About

• On the chart, what line do you follow when the dry bulb and wet bulb temperatures are exactly the same? • If no cooling occurs on the wet bulb thermometer, what does that say about the ability of the air to absorb more moisture? • Looking at the labeled percentage curves, which humidity value corresponds to the condition where the two temperatures coincide?

✅ Before You Answer

• Confirm that you start at 56°F on the dry bulb axis and also find 56°F on the wet bulb scale • Check whether the point where those two coincide lies on a constant‑humidity line, and read the percentage printed on that line • Think physically: if the sling psychrometer shows zero temperature depression (no difference between dry and wet), is the air dry, moderately humid, or fully saturated?

Question 1 of 27070

The dry bulb temperature is 56°F (13.3°C) and the wet bulb temperature is 56°F (13.3°C). What is the relative humidity?

56%

81%

94%

100%