A Carnot engine operating between heat reservoirs at 10°C and 40°C has an efficiency of 75%.

Name: A Carnot engine operating between heat reservoirs at 10°C and 40°C has an efficiency of 75%.
Brand: Quizplus
Rating: 4.8 (36 reviews)

Question

Quizplus · Accepted Answer

The efficiency of a Carnot engine is given by (T1 − T2) / T1, where T1 and T2 are the temperatures of the hot and cold reservoirs, respectively. Plugging in the values given, we get (40-10)/40 = 0.75 or 75%. Therefore, the statement is true, and the answer is A.

A Carnot Engine Operating Between Heat Reservoirs at 10°C and 40°C