Evaluation

Input	Output
An ideal vapor-compression refrigeration cycle that uses refrigerant-134a as its working fluid maintains a condenser at 800 kPa and the evaporator at 212°C. Determine this system's COP and the amount of power required to service a 150 kW cooling load.<image 1> (A) 4.07, 31.8 kW (B) 4.97, 33.8 kW (C) 4.87, 30.8 kW Answer with the option's letter from the given choices directly. No punctuation.	Google: Gemini Pro Vision 1.0 mmmu / Energy_and_PowerPublic C Expected Answer: C Difficulty: Medium Subfield: Thermodynamics

Input

Output

An ideal vapor-compression refrigeration cycle that uses refrigerant-134a as its working fluid maintains a condenser at 800 kPa and the evaporator at 212°C. Determine this system's COP and the amount of power required to service a 150 kW cooling load.<image 1>

(A) 4.07, 31.8 kW

(B) 4.97, 33.8 kW

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: C

Difficulty: Medium

Subfield: Thermodynamics

Evaluation ID: d45b19fa-f480-4fc0-9c12-c579e7f068df
Created: February 21, 2024

Raw Output

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