A=3500B=400C=50 Thermodynamics questions. 17. A steam power plant operates on the actual regenerative Rankine cycle with a closed feedwaterheater as shown in the figure below. Steam turbine inlet at A kPa and B °C and condenser at CkPa. Steam is extracted at 1000 kPa to serve the closed feedwater heater, which discharges into thecondenser after being throttled to condenser pressure and at point 7, steam is saturated liquid. Theisentropic efficiencies of the turbine and thepump are 85 percent and 90 percent,respectively. Calculate;4Turbinea. turbine work (W- , kJ/kg)5b. pump work (W,, kJ/kg)c. heat supply in the boiler (Qin, k] /kg)d. thermal efficiency of the cycleBoilerCondenser78Closed1fwh(Pump3Note:-Thermodynamic properties that cannot be obtained directly from Thermodynamics Tableswill be found by linear interpolation.-Kinetic and potential energy changes are negligible.

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Engineering

Mechanical Engineering

A=3500 B=400 C=50 Thermodynamics questions.

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

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100%

A=3500

B=400

C=50

Thermodynamics questions.

17. A steam power plant operates on the actual regenerative Rankine cycle with a closed feedwater
heater as shown in the figure below. Steam turbine inlet at A kPa and B °C and condenser at C
kPa. Steam is extracted at 1000 kPa to serve the closed feedwater heater, which discharges into the
condenser after being throttled to condenser pressure and at point 7, steam is saturated liquid. The
isentropic efficiencies of the turbine and the
pump are 85 percent and 90 percent,
respectively. Calculate;
4
Turbine
a. turbine work (W- , kJ/kg)
5
b. pump work (W,, kJ/kg)
c. heat supply in the boiler (Qin, k] /kg)
d. thermal efficiency of the cycle
Boiler
Condenser
7
8
Closed
1
fwh
(Pump
3
Note:
-Thermodynamic properties that cannot be obtained directly from Thermodynamics Tables
will be found by linear interpolation.
-Kinetic and potential energy changes are negligible.

Science that deals with the amount of energy transferred from one equilibrium state to another equilibrium state.

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