A single solid circular shaft 400 mm diameter running at 200 RPM, is to be replaced by two hollow circular shafts of equal size running at 100 RPM and developing 50% additional power. The internal diameter of hollow shaft may be taken as one-third of their external diameters. If the working stress of the new shaft is 30% greater than that of the former, find the external and internal diameters of the hollow shafts.

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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A single solid circular shaft 400 mm diameter running at 200 RPM, is to be replaced by two hollow
circular shafts of equal size running at 100 RPM and developing 50% additional power. The internal
diameter of hollow shaft may be taken as one-third of their external diameters. If the working stress
of the new shaft is 30% greater than that of the former, find the external and internal diameters of
the hollow shafts.
Transcribed Image Text:A single solid circular shaft 400 mm diameter running at 200 RPM, is to be replaced by two hollow circular shafts of equal size running at 100 RPM and developing 50% additional power. The internal diameter of hollow shaft may be taken as one-third of their external diameters. If the working stress of the new shaft is 30% greater than that of the former, find the external and internal diameters of the hollow shafts.
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