A Rankine cycle is to operate on methanol. The boiler operates at 200C (P sat = 4.087

Question:

A Rankine cycle is to operate on methanol. The boiler operates at 200°C (P^sat= 4.087 MPa), and a superheater further heats the vapor. The turbine outlet is saturated vapor at 0.1027 MPa, and the condenser outlet is saturated liquid at 65 °C (P^sat = 0.1027 MPa). What is the maximum possible value for the cycle thermal efficiency (η_θ=-W/Q_H)?

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