Answered: the oil is linear then the thickness

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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Transcribed Image Text:Em a : In a journal bearing of length 500 mm, a 200 mm diameter shaft is rotating at 1000 r.p.m. The uniform space between the shaft and the journal bearing is completely filled with an oil (Newtonian fluid) having a viscosity of 900 centipoise. If energy is being dissipated as kJ while overcoming friction and heat at the rate of 15.5- sec the velocity profile in the oil is linear, then the thickness of the oil layer between the shaft and the bearing is (A) 5 mm (C) 2 mm (B) 1 mm (D) 3 mm

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