Q.17 Consider two identical, finite, isolated systems of constant heat capacity C at temperatures T, and T2 (T> T:). An engine works between them until their temperatures become equal. Taking into account that the work performed by the engine will be maximum (= W,max) if the process is reversible (equivalently, the entropy change of the entire system is zero), the value of Wmax is: (A) C(T, – T2) (B) C (T, – T2)/2 (C) C(T, + T2 - T,T2) 2 (D) C(/T, - JT:)
Q.17 Consider two identical, finite, isolated systems of constant heat capacity C at temperatures T, and T2 (T> T:). An engine works between them until their temperatures become equal. Taking into account that the work performed by the engine will be maximum (= W,max) if the process is reversible (equivalently, the entropy change of the entire system is zero), the value of Wmax is: (A) C(T, – T2) (B) C (T, – T2)/2 (C) C(T, + T2 - T,T2) 2 (D) C(/T, - JT:)
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Transcribed Image Text:Q.17 Consider two identical, finite, isolated systems of constant heat capacity C at temperatures T, and
T2 (T> T:). An engine works between them until their temperatures become equal. Taking into
account that the work performed by the engine will be maximum (= Wmax) if the process is
reversible (equivalently, the entropy change of the entire system is zero), the value of Wmax is:
(A) C(T, – T2)
(B) C (T, – T2)/2
(C) C(T, + T2 -- T;T2)
(D) C(/T,
- T)
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