ter at the d

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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4. For Francis turbine with the following specifications: Pdev= 225 MW, H=250
m , nov= 90 % , If the velocity of water at spiral case entering =24 m/s, and
the volumetric efficiency is 0.98, thus the diameter of the spiral case entering
is:
а. 2.3 m.
b. 2.8 m.
с. 3.1 m.
d. 3.6 m.
e. None of them.
Transcribed Image Text:4. For Francis turbine with the following specifications: Pdev= 225 MW, H=250 m , nov= 90 % , If the velocity of water at spiral case entering =24 m/s, and the volumetric efficiency is 0.98, thus the diameter of the spiral case entering is: а. 2.3 m. b. 2.8 m. с. 3.1 m. d. 3.6 m. e. None of them.
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