A shaft has a number of collars integral with it. The external diameter of the collars is 400mm and the shaft diameter is 250 mm. If the intensity of pressure is 0.35N/ mm^2(uniform) and the coefficient of friction is 0.05.

A shaft has a number of collars integral with it. The external diameter of the collars is 400mm and the shaft diameter is 250 mm. If the intensity of pressure is 0.35N/ mm^2(uniform) and the coefficient of friction is 0.05.

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 shaft has a number of collars
integral with it. The external
diameter of the collars is 400mm
and the shaft diameter is 250 mm.
If the intensity of pressure is 0.35N/
mm^2(uniform) and the coefficient
of friction is 0.05.
Estimate:
1. power absorbed when the shaft
runs at 105 r.p.m carrying a load of
150 kN;
and 2. number of collars required

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