A steam cycle to be installed between a geothermal at 255 ° C and a lake at 15 ° C will have 90MW heat transfer to the boiler of the power plant and 30MW to the stream. What should be the thermal efficiency of the steam power plant so that the electric power produced by this power plant is maximum?
A steam cycle to be installed between a geothermal at 255 ° C and a lake at 15 ° C will have 90MW heat transfer to the boiler of the power plant and 30MW to the stream. What should be the thermal efficiency of the steam power plant so that the electric power produced by this power plant is maximum?
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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A steam cycle to be installed between a geothermal at 255 ° C and a lake at 15 ° C will have 90MW heat transfer to the boiler of the power plant and 30MW to the stream. What should be the thermal efficiency of the steam power plant so that the electric power produced by this power plant is maximum?
A-0.38
B-0.45
C-0.56
D-0.64
E-0.78
(Note: This question is Turkish) orginal question:
255 ºC de bir jeotermal ile 15 ºC’deki bir göl arasına kurulacak bir buhar çevrimi ile çalışacak güç santralinin kazanına 90MW ısı geçişi ve akarsuya ısı kaybı 30MW olmaktadır. Bu güç santralinin ürettiği elektrik gücünün maksimum olması için buhar santralinin ısıl verimi ne olmalıdır?
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