Q) A shaft has a number of collars, external diameter of each is 35 cm and the shaft diameter is 20 cm. Assuming uniform intensity of pressure as 30 N/cm^ 2 and coefficient of friction as 0.06. Determine the power absorbed in overcoming friction when the shaft runs at 100 r.p.m and carries a load of 120 kN. Also find the number of collars required.

Q) A shaft has a number of collars, external diameter of each is 35 cm and the shaft diameter is 20 cm. Assuming uniform intensity of pressure as 30 N/cm^ 2 and coefficient of friction as 0.06. Determine the power absorbed in overcoming friction when the shaft runs at 100 r.p.m and carries a load of 120 kN. Also find the number of collars required.

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

Q) A shaft has a number of collars, external
diameter of each is 35 cm and the shaft diameter
is 20 cm. Assuming uniform intensity of pressure
as 30 N/cm^ 2 and coefficient of friction as 0.06.
Determine the power absorbed in overcoming
friction when the shaft runs at 100 r.p.m and
carries a load of 120 kN. Also find the number of
collars required.

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