5. Steam is supplied at 17.5 bar and 300° C to a 5-stage turbine and exhausts at 0.04 bar. The enthalpies after actual expansion and isentropic expansion in kJ/kg are as follows: 2 2746 2700 2901 2842 3 2592 2550 4 2416 2374 5 2232 2207 Stage No. Actual expansion. Isentropic expansion If the reheat factor for the turbine is 1.04, determine the stage efficiencies and the overall efficiency.

Elements Of Electromagnetics
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ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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5. Steam is supplied at 17.5 bar and 300° C to a 5-stage turbine and exhausts at 0.04 bar. The enthalpies
after actual expansion and isentropic expansion in kJ/kg are as follows:
2
2746
2700
2901
2842
3
2592
2550
4
2416
2374
5
2232
2207
Stage No.
Actual expansion.
Isentropic expansion
If the reheat factor for the turbine is 1.04, determine the stage efficiencies and the overall efficiency.
[Ans. 68%; 77%; 78.6 %, 80.7%, 88% ; 89.2 %]
Transcribed Image Text:5. Steam is supplied at 17.5 bar and 300° C to a 5-stage turbine and exhausts at 0.04 bar. The enthalpies after actual expansion and isentropic expansion in kJ/kg are as follows: 2 2746 2700 2901 2842 3 2592 2550 4 2416 2374 5 2232 2207 Stage No. Actual expansion. Isentropic expansion If the reheat factor for the turbine is 1.04, determine the stage efficiencies and the overall efficiency. [Ans. 68%; 77%; 78.6 %, 80.7%, 88% ; 89.2 %]
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