Thermal Physics> A real engine operates at 75% of the effi...

A real engine operates at 75% of the efficiency of a Carnot engine operating between the same two temperature. This real engine has a power output of 100 W and discharge heat into the 27ºC low-temperature reservoir at a rate of 300 J/s. What is the temperature of the high-temperature reservoir?
(A) 27ºC
(B) 77ºC
(C)127ºC
(D) 177ºC

Simran Bhatia , 10 Years ago

Grade 11

1 Answers

Aditi Chauhan

Last Activity: 10 Years ago

The correct option is (C) 127 ° C.
The efficiency ε of a Carnot engine is defined as,

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Thermal Physics> A real engine operates at 75% of the effi...

Simran Bhatia , 10 Years ago

Aditi Chauhan

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