Steam enters the high-pressure turbine of a steam power plant that operates on the reheat Rankine cycle at 10 MPa and 550°C and leaves at 4 MPa. Steam is then reheated to 500°C before it expands to a pressure of 40 kPa. The enthalpy of steam is 3190 kJ/kg at the exit of the high-pressure turbine, and 2550 kJ/kg at the exit of the low-pressure turbine. Disregarding the pump work, the cycle efficiency is
Steam enters the high-pressure turbine of a steam power plant that operates on the reheat Rankine cycle at 10 MPa and 550°C and leaves at 4 MPa. Steam is then reheated to 500°C before it expands to a pressure of 40 kPa. The enthalpy of steam is 3190 kJ/kg at the exit of the high-pressure turbine, and 2550 kJ/kg at the exit of the low-pressure turbine. Disregarding the pump work, the cycle efficiency is
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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Steam enters the high-pressure turbine of a steam power plant that operates on the reheat Rankine cycle at 10 MPa and 550°C and leaves at 4 MPa. Steam is then reheated to 500°C before it expands to a pressure of 40 kPa. The enthalpy of steam is 3190 kJ/kg at the exit of the high-pressure turbine, and 2550 kJ/kg at the exit of the low-pressure turbine. Disregarding the pump work, the cycle efficiency is
Transcribed Image Text:Steam enters the high-pressure turbine of a steam power plant that operates on the reheat Rankine cycle at 10 MPa and 550°C and leaves at 4
MPa. Steam is then reheated to 500°C before it expands to a pressure of 40 kPa. The enthalpy of steam is 3190 kJ/kg at the exit of the high-
pressure turbine, and 2550 kJ/kg at the exit of the low-pressure turbine. Disregarding the pump work, the cycle efficiency is
Lütfen birini seçin:
а. 40%
O b. 35%
O c. 39%
O d. 45%
e. 33%
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