A steam power plant operates on an ideal regenerative Rankine cycle with one open feedwater heater. Steam enters the turbine at 6.0 MPa and 480 °C and exhausts to the condenser at 20 kPa. Steam is extracted from the turbine at 0.6 MPa and the water leaves the feedwater heater as a saturated liquid and is pumped into the boiler. The mass flow rate of steam through the boiler is 6 kg/s. The quality of steam leaving the turbine is nearest to:
A steam power plant operates on an ideal regenerative Rankine cycle with one open feedwater heater. Steam enters the turbine at 6.0 MPa and 480 °C and exhausts to the condenser at 20 kPa. Steam is extracted from the turbine at 0.6 MPa and the water leaves the feedwater heater as a saturated liquid and is pumped into the boiler. The mass flow rate of steam through the boiler is 6 kg/s. The quality of steam leaving the turbine is nearest to:
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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B1
![A steam power plant operates on an ideal regenerative Rankine cycle with one open feedwater heater.
Steam enters the turbine at 6.0 MPa and 480 °C and exhausts to the condenser at 20 kPa. Steam is
extracted from the turbine at 0.6 MPa and the water leaves the feedwater heater as a saturated liquid
and is pumped into the boiler. The mass flow rate of steam through the boiler is 6 kg/s. The quality of
steam leaving the turbine is nearest to:
O a. 0.871
O b. 0.822
O c. 0.894
O d. 0.846
An ideal reheat Rankine cycle uses water as the working fluid. Steam enters the high-pressure turbine
at 10 MPa and 500 °C and expands to 2.5 MPa. It is then reheated to 500 °C and expands again in the
low-pressure turbine to the condenser pressure of 10 kPa. The heat removed from the working fluid in
the condenser is nearest to:
O a. 1792 kJ/kg
O b. 1922 kJ/kg
O c. 2129 kJ/kg
O d. 2319 kJ/kg](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Ff713876a-f305-4acd-a97b-4d1cc8456bf7%2Ff9bfd738-771f-4672-82bc-f36c54cd0b61%2Fb8fj4nm_processed.jpeg&w=3840&q=75)
Transcribed Image Text:A steam power plant operates on an ideal regenerative Rankine cycle with one open feedwater heater.
Steam enters the turbine at 6.0 MPa and 480 °C and exhausts to the condenser at 20 kPa. Steam is
extracted from the turbine at 0.6 MPa and the water leaves the feedwater heater as a saturated liquid
and is pumped into the boiler. The mass flow rate of steam through the boiler is 6 kg/s. The quality of
steam leaving the turbine is nearest to:
O a. 0.871
O b. 0.822
O c. 0.894
O d. 0.846
An ideal reheat Rankine cycle uses water as the working fluid. Steam enters the high-pressure turbine
at 10 MPa and 500 °C and expands to 2.5 MPa. It is then reheated to 500 °C and expands again in the
low-pressure turbine to the condenser pressure of 10 kPa. The heat removed from the working fluid in
the condenser is nearest to:
O a. 1792 kJ/kg
O b. 1922 kJ/kg
O c. 2129 kJ/kg
O d. 2319 kJ/kg
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