Hydraulics and Fluid Mechanics in ME The torque required to overcome viscous resistance of a footstep bearing is (where μ = Viscosity of the oil, N = Speed of the shaft, R = Radius of the shaft, and t = Thickness of the oil film) μπ²NR⁴/60t μπ²NR/60t μπ²NR²/60t μπ²NR³/60t μπ²NR⁴/60t μπ²NR/60t μπ²NR²/60t μπ²NR³/60t ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In order that flow takes place between two points in a pipeline, the differential pressure between these points must be more than All of these surface friction viscosity frictional force All of these surface friction viscosity frictional force ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In centrifugal pumps, maximum efficiency is obtained when the blades are Straight Radial Bent forward Bent backward Straight Radial Bent forward Bent backward ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The pressure measured with the help of a Piezometer tube is in N/m2 All of these Head of liquid N/mm2 N/m2 All of these Head of liquid N/mm2 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The total pressure on an immersed surface inclined at an angle θ with the liquid surface is wAx wx wAx/sinθ wA wAx wx wAx/sinθ wA ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Unit of surface tension is It has no units Energy/unit area Velocity/unit area Both of the above It has no units Energy/unit area Velocity/unit area Both of the above ANSWER DOWNLOAD EXAMIANS APP