Using the available references, if the dry...

Question 1 of 2707066636ee728f7522a1c518e53

Using the available references, if the dry bulb temperature is 76°F and the wet bulb temperature is 59°F, what is the relative humidity in a cargo hold?

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Question 1 of 27070

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Using the available references, if the dry bulb temperature is 76°F and the wet bulb temperature is 59°F, what is the relative humidity in a cargo hold?

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🔍 Key Concepts

• Use a psychrometric chart: dry bulb temperature along the bottom, wet bulb temperature along the side • Locate the intersection of the 76°F dry bulb line and 59°F wet bulb line, then find the nearest relative humidity curve • Notice that relative humidity curves are labeled 10%, 20%, 30%, etc., and they slope upward to the right

💭 Think About

• How far apart are the dry bulb and wet bulb temperatures (the wet‑bulb depression), and does that usually indicate high or low humidity? • When you find the intersection point on the chart, which labeled humidity curve passes closest through that point? • Compare that curve’s value with the four answer choices—does the point lie nearer to a lower or higher percentage band?

✅ Before You Answer

• Make sure you are reading dry bulb on the bottom axis and wet bulb on the left axis—don’t reverse them • Confirm you have followed the lines accurately to their intersection, not just to the nearest grid crossing • Verify the final percentage by checking which relative humidity curve label (e.g., 40%, 50%, 60%) is actually printed nearest to your point