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team enters the high-pressure turbine of a steam power plant that operates on the reheat Rankine cycle at 2.5 MPa and 600°C and leaves at 4 MPa. Steam is then reheated to 600°C before it expands to a pressure of 5 kPa. The enthalpy of steam is 3210 kJ/kg at the exit of the high-pressure turbine, and 2590 kJ/kg at the exi- F the low-pressure turbine. Disregarding the pump work, the cycle efficiency is tfen birini seçin: a. 45%

team enters the high-pressure turbine of a steam power plant that operates on the reheat Rankine cycle at 2.5 MPa and 600°C and leaves at 4 MPa. Steam is then reheated to 600°C before it expands to a pressure of 5 kPa. The enthalpy of steam is 3210 kJ/kg at the exit of the high-pressure turbine, and 2590 kJ/kg at the exi- F the low-pressure turbine. Disregarding the pump work, the cycle efficiency is tfen birini seçin: a. 45%

Elements Of Electromagnetics
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 12.5 MPa and 600°C and leaves at 4 MPa. Steam is then reheated to 600°C before it expands to a pressure of 25 kPa. The enthalpy of steam is 3210 kJ/kg at the exit of the high-pressure turbine, and 2590 kJ/kg at the exit of the low-pressure turbine. Disregarding the pump work, the cycle efficiency is Lütfen birini seçin: a. 45% b. 33% C. 39% d. 40% e. 35% At the beginning of the compression process of an ideal Diesel cycle, air is at 95 kPa and 25°C, and 640 kJ/kg of heat is transferred to air during the heat-addition process. At the end of isentropic expansion process, air is at 265 kPa and 607°C. Taking into account the variation of specific heats with temperature, the thermal efficiency of the cycle is Lütfen birini seçin:
Transcribed Image Text:Steam enters the high-pressure turbine of a steam power plant that operates on the reheat Rankine cycle at 12.5 MPa and 600°C and leaves at 4 MPa. Steam is then reheated to 600°C before it expands to a pressure of 25 kPa. The enthalpy of steam is 3210 kJ/kg at the exit of the high-pressure turbine, and 2590 kJ/kg at the exit of the low-pressure turbine. Disregarding the pump work, the cycle efficiency is Lütfen birini seçin: a. 45% b. 33% C. 39% d. 40% e. 35% At the beginning of the compression process of an ideal Diesel cycle, air is at 95 kPa and 25°C, and 640 kJ/kg of heat is transferred to air during the heat-addition process. At the end of isentropic expansion process, air is at 265 kPa and 607°C. Taking into account the variation of specific heats with temperature, the thermal efficiency of the cycle is Lütfen birini seçin:
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