JEE PHYSICS MCQ: THERMODYNAMICS

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Application +4 | -1

Two Carnot engines

A

and

B

are operated in succession. The first one,

A

receives heat from a source at

{T_1} = 800K

and rejects to sink at

{T_2}K

. The second engine

B

receives heat rejected by the first engine and rejects to another sink at

{T_3} = 300K

. If the work outputs of two engines are equal, then the value of

{T_2}

View answer and explanation

Correct option: C

550K

Option C (

550K

) is correct because the intermediate temperature is calculated by equating the work outputs of the two Carnot engines.

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