Referring to the illustrated psychrometric...

Question 1 / 2066636eee28f7522a1c51f11b

Question 1 of 2066636eee28f7522a1c51f11b

Referring to the illustrated psychrometric chart, under what conditions are the dry bulb, wet bulb, and dew point temperatures for air all equal in value? Illustration RA-0022

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Question 1 of 20

66636eee28f7522a1c51f11b

Referring to the illustrated psychrometric chart, under what conditions are the dry bulb, wet bulb, and dew point temperatures for air all equal in value? Illustration RA-0022

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🔍 Key Concepts

• Dry bulb temperature is the ordinary air temperature measured by a regular thermometer. • Wet bulb temperature is affected by evaporation; the more evaporation, the cooler it reads compared to dry bulb. • On a psychrometric chart, when air is fully saturated, the relative humidity is 100% and certain lines coincide.

💭 Think About

• On the chart, look for where the wet bulb temperature line and the dew point/ grains-of-moisture line intersect the dry bulb temperature axis at the same point. What does the relative humidity read there? • If no evaporation can occur from the wet bulb, how will its temperature compare to the dry bulb? What does that say about the moisture content of the air? • Think about what dew point means: it is the temperature at which condensation begins. If the dew point equals the current air temperature, what does that imply about how much more moisture the air can hold?

✅ Before You Answer

• On the chart, verify what the relative humidity percentage is where the wet bulb, dry bulb, and dew point temperatures coincide. • Confirm whether grains of moisture per pound of dry air is zero or at some positive value at that same condition. • Ensure the chosen option matches the idea that at this condition, the air cannot hold any more water vapor without condensing it.

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Question 1 of 20

Referring to the illustrated psychrometric chart, under what conditions are the dry bulb, wet bulb, and dew point temperatures for air all equal in value? Illustration RA-0022

It is impossible for the dry bulb, wet bulb, and dew point temperatures to be the same value.

When the air is completely saturated with moisture and the relative humidity is 100%.

When the grains of moisture per pound of dry air is zero.

When the relative humidity is 0%.

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Question 1 / 2066636eee28f7522a1c51f11b

Question 1 of 2066636eee28f7522a1c51f11b

Referring to the illustrated psychrometric chart, under what conditions are the dry bulb, wet bulb, and dew point temperatures for air all equal in value? Illustration RA-0022

Back

Question 1 of 20

66636eee28f7522a1c51f11b

Referring to the illustrated psychrometric chart, under what conditions are the dry bulb, wet bulb, and dew point temperatures for air all equal in value? Illustration RA-0022

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?

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