Thermodynamics Quiz
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CONTROL VOLUME ANALYSIS
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A steam turbine operates with inlet conditions of 6 MPa and 500°C, and exhausts to a condenser at 10 kPa. If the turbine has an isentropic efficiency of 85% and the mass flow rate is 50 kg/s, what is the actual work output of the turbine? (At inlet: h₁ = 3410 kJ/kg, s₁ = 6.7593 kJ/kg·K; At 10 kPa and s₂s = s₁: h₂s = 2335 kJ/kg; At 10 kPa saturated liquid: hf = 191.8 kJ/kg, saturated vapor: hg = 2584.6 kJ/kg)
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