(a)A shaft that transmits 300kW at 2500revs/min consists of a tube 100mm outsidediameter and inside diameter 80mm.(i)Calculate the maximum shear stress in the shaft;(ii)If the tube were to be replaced by a solid shaft, calculate the diameter ofthe shaft in order to produce the same maximum shear stress;(ii)Calculate the percentage increase in weight by changing from a tube to asolid shaft.

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Engineering

Mechanical Engineering

A shaft that transmits 300kW at 2500revs/min consists of a tube 100mm outside diameter and inside diameter 80mm.

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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Question

(a)
A shaft that transmits 300kW at 2500revs/min consists of a tube 100mm outside
diameter and inside diameter 80mm.
(i)
Calculate the maximum shear stress in the shaft;
(ii)
If the tube were to be replaced by a solid shaft, calculate the diameter of
the shaft in order to produce the same maximum shear stress;
(ii)
Calculate the percentage increase in weight by changing from a tube to a
solid shaft.

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