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GATE ME 2015 Set 3 — Question 48

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NAT+2 / -0EasyZeroth & First LawsLaws & PropertiesThermodynamics

Thermodynamics → Laws & Properties → Zeroth & First Laws

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Question

Steam enters a turbine at 30 bar30\text{ bar}, 300∘C300^\circ\text{C} (u=2750 kJ/kgu = 2750\text{ kJ/kg}, h=2993 kJ/kgh = 2993\text{ kJ/kg}) and exits the turbine as saturated liquid at 15 kPa15\text{ kPa} (u=225 kJ/kgu = 225\text{ kJ/kg}, h=226 kJ/kgh = 226\text{ kJ/kg}). Heat loss to the surrounding is 50 kJ/kg50\text{ kJ/kg} of steam flowing through the turbine. Neglecting changes in kinetic energy and potential energy, the work output of the turbine (in kJ/kg of steam) is ________
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