railway RRB JE (CBT I + CBT II) Mock Test 2024 Fluid Mechanics Properties of Fluids Newton Law of Viscosity
The dynamic viscosity of an oil, used for lubrication between a shaft and sleeve is 6 poise.The shaft is of diameter 0.4 m and rotates at 190 r.p.m. Calculate the power lost in the bearing for a sleeve length of 90 mm.The thickness of the oil film is 1.5 mm.
1
800 KW
2
886.5 KW
3
809.5 KW
4
716.48 KW