Using the available references, if the dry...

Question 1 of 2707066636ee728f7522a1c518e4f

Using the available references, if the dry bulb temperature is 55°F (13°C) and the wet bulb is 50°F (10°C), what is the relative humidity?

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Question 1 of 27070

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Using the available references, if the dry bulb temperature is 55°F (13°C) and the wet bulb is 50°F (10°C), what is the relative humidity?

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🔍 Key Concepts

• Using a psychrometric (relative humidity) chart with dry bulb and wet bulb temperatures • Locating dry bulb temperature along the bottom axis and wet bulb temperature along the sloping lines • Finding the intersection point and then following the nearest relative humidity (%) curve

💭 Think About

• Start at the 55°F dry bulb on the bottom axis. Which direction on the chart do you move to account for the 50°F wet bulb temperature? • Once you find where 55°F dry bulb and 50°F wet bulb cross, which labeled relative humidity curve passes closest to that point? • Compare that humidity value with the answer choices. Which option is closest to the value you read from the chart?

✅ Before You Answer

• Be sure you are reading dry bulb from the bottom horizontal scale and wet bulb from the correct set of slanted lines, not the dew point scale on the right • Verify you are staying with the 55°F dry bulb line all the way until it meets the 50°F wet bulb line—don’t switch lines midway • Confirm which percentage curve label (e.g., 60%, 70%, 80%) is closest to that intersection before choosing among the answers