Evaluation

Input	Output
A 40-ft^3 adiabatic container is initially evacuated. The supply line contains air that is maintained at 150 psia and 90°F. The valve is opened until the pressure in the container is the same as the pressure in the supply line. Determine the work potential of the air in this container when it is filled. Take T0 = 80°F.<image 1> (A) W=817Btu (B) W=917Btu (C) W=1017Btu Answer with the option's letter from the given choices directly. No punctuation.	Google: Gemini Pro Vision 1.0 mmmu / Energy_and_PowerPublic A Expected Answer: B Difficulty: Easy Subfield: Thermodynamics

Input

Output

A 40-ft^3 adiabatic container is initially evacuated. The supply line contains air that is maintained at 150 psia and 90°F. The valve is opened until the pressure in the container is the same as the pressure in the supply line. Determine the work potential of the air in this container when it is filled. Take T0 = 80°F.<image 1>

(A) W=817Btu

(B) W=917Btu

Answer with the option's letter from the given choices directly. No punctuation.

Google: Gemini Pro Vision 1.0

mmmu / Energy_and_PowerPublic

Expected Answer: B

Difficulty: Easy

Subfield: Thermodynamics

Evaluation ID: b323d80d-d18c-4241-b27c-b7959c870e61
Created: February 21, 2024

Raw Output

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