se natural freque or separately is 10

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
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A shaft has two rotors mounted on it. The
transverse natural frequency considering
each rotor separately is 100 Hz and 200 Hz
respectively. The lowest critical speed is
(a) 13000 rpm
(b) 5367 rpm
(c) 6450 rpm
(d) 9343 rpm
Transcribed Image Text:A shaft has two rotors mounted on it. The transverse natural frequency considering each rotor separately is 100 Hz and 200 Hz respectively. The lowest critical speed is (a) 13000 rpm (b) 5367 rpm (c) 6450 rpm (d) 9343 rpm
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