A Carnot Engine Operates Between Two Reservoirs with Unknown Temperatures $67 \%$

question 104

Multiple Choice

A Carnot engine operates between two reservoirs with unknown temperatures. If the Carnot engine operates at $67 \%$ efficiency, what is the ratio of the absolute temperatures of the reservoirs, T_c/T_h?

• A) 0.33
• B) 0.0012
• C) 0.0025
• D) 0.67

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