The dry-bulb temperature is 78°F (26°C) and...

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Question 1 of 2066636ee928f7522a1c519626

The dry-bulb temperature is 78°F (26°C) and the wet-bulb temperature is 68°F (20°C). What is the relative humidity?

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Question 1 of 20

66636ee928f7522a1c519626

The dry-bulb temperature is 78°F (26°C) and the wet-bulb temperature is 68°F (20°C). What is the relative humidity?

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🔍 Key Concepts

• Use the dry-bulb temperature (78°F) along the bottom axis and the wet-bulb temperature (68°F) using the sloping wet‑bulb lines on the chart. • Locate the intersection point of the 78°F dry-bulb and 68°F wet-bulb lines, then follow the nearest curved/diagonal relative humidity line that passes through that point. • Remember that a larger difference between dry‑bulb and wet‑bulb temperatures means lower relative humidity, and a smaller difference means higher humidity.

💭 Think About

• What dry‑bulb scale value on the bottom corresponds to 78°F, and where does the 68°F wet‑bulb line cross above it? • Once you find that intersection, which labeled relative humidity curve (10%, 20%, 30%, etc.) is closest to or passes directly through that point? • Given that the dry‑bulb and wet‑bulb differ by 10°F, should you expect the humidity to be very low, moderate, or very high? How does that help you narrow down the answer choices?

✅ Before You Answer

• Confirm you are using 78°F on the bottom axis (not 26°C) for the dry-bulb location. • Verify you are following the correct sloping line for 68°F wet-bulb, not a nearby value like 70°F or 65°F. • Before choosing, double-check that the humidity curve you read at the intersection matches one of the listed percentages in the answer choices.

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Question 1 of 2066636ee928f7522a1c519626

The dry-bulb temperature is 78°F (26°C) and the wet-bulb temperature is 68°F (20°C). What is the relative humidity?

Back

Question 1 of 20

66636ee928f7522a1c519626

The dry-bulb temperature is 78°F (26°C) and the wet-bulb temperature is 68°F (20°C). What is the relative humidity?

No comments yet

Be the first to share your thoughts!

If the question has a related picture, it will appear here.

🔍 Key Concepts

💭 Think About

✅ Before You Answer

👋 Hi! I'm Genie, your AI study assistant. How can I help you with this question?

Quick actions

— No credit card needed