A steam turbine receives superheated steam at 1.4 MPa and 400°C (enthalpy h₁ = 3257.5kJ/kg). The steam leaves the turbine at atmospheric pressure (101 kPa) and 100°C (enthalpy h₂ = 2676kJ/kg). The steam enters the turbine at velocity v₁ = 15 m/s and exits at velocity v2 = 60 m/s. The heat loss through the turbine walls is 2 kW. The elevation difference between the turbine entry and exit is negligible. If the mass flow rate through the turbine is 0.5 kg/s, the power output is: -290.75 kW -293.025 kW 289.025 kW ▶ 293.025 kW 288.475 kW
A steam turbine receives superheated steam at 1.4 MPa and 400°C (enthalpy h₁ = 3257.5kJ/kg). The steam leaves the turbine at atmospheric pressure (101 kPa) and 100°C (enthalpy h₂ = 2676kJ/kg). The steam enters the turbine at velocity v₁ = 15 m/s and exits at velocity v2 = 60 m/s. The heat loss through the turbine walls is 2 kW. The elevation difference between the turbine entry and exit is negligible. If the mass flow rate through the turbine is 0.5 kg/s, the power output is: -290.75 kW -293.025 kW 289.025 kW ▶ 293.025 kW 288.475 kW
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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Transcribed Image Text:A STEAM TURBINE RECEIVES SUPERHEATED STEAM AT 1.4 MPA AND 400°C (ENTHALPY h₁ = 3257.5kJ/kg). THE STEAM LEAVES THE TURBINE AT ATMOSPHERIC PRESSURE (101 KP...
A steam turbine receives superheated steam at 1.4 MPa and 400°C (enthalpy h₁ = 3257.5kJ/kg). The steam leaves the turbine at atmospheric pressure (101 kPa) and 100°C (enthalpy h₂ = 2676kJ/kg). The steam
enters the turbine at velocity v₁ = 15 m/s and exits at velocity v2 = 60 m/s. The heat loss through the turbine walls is 2 kW. The elevation difference between the turbine entry and exit is negligible. If the mass flow
rate through the turbine is 0.5 kg/s, the power output is:
-290.75 kW
- 293.025 kW
289.025 kW
293.025 kW
288.475 kW
00
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