A Carnot Engine Runs Between a Hot Reservoir at T_h

question 45

Multiple Choice

A Carnot engine runs between a hot reservoir at T_h and a cold reservoir at T_c.If one of the temperatures is either increased or decreased by 3.5 K,which of the following changes would increase the efficiency by the greatest amount?

• A)increasing T_h
• B)increasing T_c
• C)decreasing T_c
• D)cannot be determined from information given

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