Evaluation

Input	Output
<image 1>The accompanying sketch shows the schematic arrangement for measuring the thermal conductivity by the guarded hot plate method. Two similar 1 cm thick specimens receive heat from a 6.5 cm by 6.5 cm guard heater. When the power dissipation by the wattmeter was 15 W, the thermocouples inserted at the hot and cold surfaces indicated temperatures as 325 K and 300 K. What is the thermal conductivity of the test specimen material? (A) 0.81 W/m K (B) 0.71 W/m K (C) 0.61 W/m K (D) 0.51 W/m K Answer with the option's letter from the given choices directly. No punctuation.	Google: Gemini Pro Vision 1.0 mmmu / Energy_and_PowerPublic (A) Difficulty: Hard Subfield: Heat Transfer

Input

Output

<image 1>The accompanying sketch shows the schematic arrangement for measuring the thermal conductivity by the guarded hot plate method. Two similar 1 cm thick specimens receive heat from a 6.5 cm by 6.5 cm guard heater. When the power dissipation by the wattmeter was 15 W, the thermocouples inserted at the hot and cold surfaces indicated temperatures as 325 K and 300 K. What is the thermal conductivity of the test specimen material?

(A) 0.81 W/m K

(B) 0.71 W/m K

(D) 0.51 W/m K

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

Google: Gemini Pro Vision 1.0

mmmu / Energy_and_PowerPublic

(A)

Difficulty: Hard

Subfield: Heat Transfer

Evaluation ID: 8c7cd30d-1b8b-4bbd-9283-14a2e6b5b8df
Created: February 21, 2024

Raw Output

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