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4. Steam enters the turbine at 10 MPa and 550 °C with mass flow rate of 10 kg/s and is condensed in the condenser at a pressure of 10 KPa. Some Steam is extracted from the turbine at 0.8 MPa and enters in an open feedwater heater. Determine the amount of steam that is condensed in the condenser. a. 20.7 kg/s b. 1000 kg/s c. 550.88 kg/min O d. 478.916 kg/min e. None of the above

4. Steam enters the turbine at 10 MPa and 550 °C with mass flow rate of 10 kg/s and is condensed in the condenser at a pressure of 10 KPa. Some Steam is extracted from the turbine at 0.8 MPa and enters in an open feedwater heater. Determine the amount of steam that is condensed in the condenser. a. 20.7 kg/s b. 1000 kg/s c. 550.88 kg/min O d. 478.916 kg/min e. None of the above

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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Regenerative Cycle (Open Feedwater Heater): 


4. Steam enters the turbine at 10 MPa and 550 °C with mass flow rate of 10 kg/s and is condensed in the condenser at a pressure of 10 KPa. Some Steam is extracted from the turbine at 0.8 MPa and enters in an open feedwater heater. Determine the amount of steam that is condensed in the condenser.

5. 23 percent of the steam is extracted from the turbine. The enthalpy and pressure at point 6 is 3100 KJ/KG and 1.26 MPa respectively. Determine the enthalpy of point 2.

6. A Steam exits the boiler at 15 MPa and 550 °C and the pressure at point 1 and point 3 is 12 KPa and 1.3 MPa respectively. Determine the Overall Pump work of the cycle if 18 % of the steam is extracted from the turbine.

4. Steam enters the turbine at 10 MPa and 550 °C with mass flow rate of 10 kg/s and is condensed in the condenser at a pressure of 10 KPa. Some Steam is extracted from the turbine at 0.8 MPa and enters in an open feedwater heater. Determine the amount of steam that is condensed in the condenser. a. 20.7 kg/s O b. 1000 kg/s O c. 550.88 kg/min O d. 478.916 kg/min e. None of the above 5. 23 percent of the steam is extracted from the turbine. The enthalpy and pressure at point 6 is 3100 KJ/KG and 1.26 MPa respectively. Determine the enthalpy of point 2. a. 124.065 KJ/KG b. 2222 KJ/KG с. 306.113 КЈ/кG d. 825.413 KJ/KG e. None of the above 6. A Steam exits the boiler at 15 MPa and 550 °C and the pressure at point 1 and point 3 is 12 KPa and 1.3 MPa respectively. Determine the Overall Pump work of the cycle if 18 % of the steam is extracted from the turbine. a. 23.555 KJ/KG b. 16.738 КJ/KG c. 30.214 KJ/KG d. 11.214 KJ/KG e. None of the above
Transcribed Image Text:4. Steam enters the turbine at 10 MPa and 550 °C with mass flow rate of 10 kg/s and is condensed in the condenser at a pressure of 10 KPa. Some Steam is extracted from the turbine at 0.8 MPa and enters in an open feedwater heater. Determine the amount of steam that is condensed in the condenser. a. 20.7 kg/s O b. 1000 kg/s O c. 550.88 kg/min O d. 478.916 kg/min e. None of the above 5. 23 percent of the steam is extracted from the turbine. The enthalpy and pressure at point 6 is 3100 KJ/KG and 1.26 MPa respectively. Determine the enthalpy of point 2. a. 124.065 KJ/KG b. 2222 KJ/KG с. 306.113 КЈ/кG d. 825.413 KJ/KG e. None of the above 6. A Steam exits the boiler at 15 MPa and 550 °C and the pressure at point 1 and point 3 is 12 KPa and 1.3 MPa respectively. Determine the Overall Pump work of the cycle if 18 % of the steam is extracted from the turbine. a. 23.555 KJ/KG b. 16.738 КJ/KG c. 30.214 KJ/KG d. 11.214 KJ/KG e. None of the above
II. Regenerative Cycle (Open Feedwater Heater) For Question Number 4, 5 & 6 rely on this Image Boiler Turbite 6 7 Open FWH Pump Condenser Pumpl
Transcribed Image Text:II. Regenerative Cycle (Open Feedwater Heater) For Question Number 4, 5 & 6 rely on this Image Boiler Turbite 6 7 Open FWH Pump Condenser Pumpl
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