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Question

1. Water is the circulating fluid in an ideal Rankine cycle. Saturated vapor enters the

turbine at 16 MPa, and the condenser pressure is 8 kPa. The mass flow rate of steam

entering the turbine is 120 kg/s. Determine

(i) the net power developed, in kW.

(ii) the rate of heat transfer to the steam passing through the boiler, in kW.

(iii) the thermal efficiency. And

(iv) the mass flow rate of condenser cooling water, in kg/s, if the cooling water undergoes a

temperature increase of 18°C with negligible pressure change in passing through the condenser.

(Watch "Ideal Rankine Cycle-Example")

Fig: 1