Efficiency of Rankine cycle given mean temperature of heat addition- Thermodynamics

Q.  If Tm be the mean temperature of heat addition in Rankine cycle as shown in diagram,
what will the formula for efficiency of Rankine cycle?
- Published on 19 Aug 15
Tm-mean-temperature-of-heat-addition.png


a. (ηRankine) = ( T3 / Tm)
b. (ηRankine) = 1 – (T3 / Tm)
c. (ηRankine) = 1 – (T2 / Tm)
d. (ηRankine) = (T2 / Tm)

ANSWER: (ηRankine) = 1 – (T3 / Tm)

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