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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 single -stage impulse turbine receives steam having available
energy of Chi-h2) = 100 Btw/b Enh = 90 25%; k- O-90 the nozzle
makes an angle of a, = 20° with the plane of the wheel. The blading
is symmetrical, i.e B-Be Blade speed is u=900 ft per second.
%3D
%3D
%3D
Assume nozzle inlet velocity to be negligible The masS Of steam
entering turbine is 1,800 bkec.Calciulate the blade eFFiciency
Joid t
of
A.) Eb =81%
13.) Eb=83%
is
%3D
C.)
Eb =85%
D.) Eb
= 87%
%3D
Transcribed Image Text:A single -stage impulse turbine receives steam having available energy of Chi-h2) = 100 Btw/b Enh = 90 25%; k- O-90 the nozzle makes an angle of a, = 20° with the plane of the wheel. The blading is symmetrical, i.e B-Be Blade speed is u=900 ft per second. %3D %3D %3D Assume nozzle inlet velocity to be negligible The masS Of steam entering turbine is 1,800 bkec.Calciulate the blade eFFiciency Joid t of A.) Eb =81% 13.) Eb=83% is %3D C.) Eb =85% D.) Eb = 87% %3D
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