4. Superheated steam at 18 MPa, 560°C, enters the turbine of a vapor power plant. The pressure at the exit of the turbine is 0.06 bar, and saturated liquid leaves the condenser at 0.06 bar. The pressure is then increased by a pump to the boiler pressure at 18 MPa. The turbine and pump efficiencies are 82 and 77%, respectively. For the cycle, determine (a) The net-work per unit mass of steam flow, in kJ/kg (b) Heat transfer to steam passing through the boiler, in kJ/kg (c) The thermal efficiency of the cycle (d) Heat transfer to cooling water passing through the condenser, in kJ/kg. (e) Draw complete T-s diagram

4. Superheated steam at 18 MPa, 560°C, enters the turbine of a vapor power plant. The pressure at the exit of the turbine is 0.06 bar, and saturated liquid leaves the condenser at 0.06 bar. The pressure is then increased by a pump to the boiler pressure at 18 MPa. The turbine and pump efficiencies are 82 and 77%, respectively. For the cycle, determine (a) The net-work per unit mass of steam flow, in kJ/kg (b) Heat transfer to steam passing through the boiler, in kJ/kg (c) The thermal efficiency of the cycle (d) Heat transfer to cooling water passing through the condenser, in kJ/kg. (e) Draw complete T-s diagram

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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