Which one of the following statements is correct?
a. Efficiency of the Carnot cycle for thermal power plant is high and work ratio is also high in comparison to the Rankine cycle
b. Efficiency of the Carnot cycle is high and work ratio is low in comparison to the Rankine cycle
c. Efficiency of the Carnot cycle is low and work ratio is also low in comparison to the Rankine cycle
d. Both the cycles have same efficiencies and work ratio