Repeat the above problem assuming the turbine to have an adiabatic efficiency of 90%. Above problem To

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Repeat the above problem assuming the turbine to have an adiabatic efficiency of 90%.
Above problem
To operate a steam turbine in part-load power output, a throttling valve is used as shown in the figure below, which reduces the pressure of steam before it enters the turbine. The state of steam in the supply line remain fixed at 2 MPa, 500°C, and the turbine exhaust pressure remains fixed at 10 kPa. Assuming the turbine to be adiabatic and reversible, determine
(a) The full-load specific work output in kJ/kg.
(b) The pressure the steam must be throttled to for 75% of full-load output.
(c) The rate of entropy generation in the systems and their immediate surroundings.
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