General Studies · Vapour Power Cycles
The efficiency of a Rankine cycle is lower than that of the corresponding Carnot cycle because:
- 1the average temperature at which heat is supplied in the Rankine cycle is less than the maximum temperature corresponding to the Carnot cycle✓
- 2the temperature range of the Carnot cycle is greater than that of the Rankine cycle
- 3the Rankine cycle efficiency depends upon properties of working substance whereas Carnot cycle efficiency is independent of properties
- 4the Carnot cycle has gas as the working substance and Rankine cycle has steam as the working substance
Correct answer
the average temperature at which heat is supplied in the Rankine cycle is less than the maximum temperature corresponding to the Carnot cycle
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