Home Physics Thermodynamics Mix Two Carnot engines A and B are operated in s…
Physics Thermodynamics Mix MCQ (Single Correct)

Two Carnot engines A and B are operated in succession. The first one, A receives heat from a source at and rejects to sink at . The second engine B receives heat rejected by the first engine and rejects to another sink at If the work outputs of two engines are equal, then the value of is

A
100K
B
300K
C
550K
D
700K

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The correct answer is:
C

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