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 μπ²NR³/60t μπ²NR/60t μπ²NR²/60t μπ²NR⁴/60t μπ²NR³/60t μπ²NR/60t μπ²NR²/60t ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME For pipes, turbulent flow occurs when Reynolds number is more than 4000 less than 2000 between 2000 and 4000 less than 4000 more than 4000 less than 2000 between 2000 and 4000 less than 4000 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The loss of head at entrance in a pipe is (where v = Velocity of liquid in the pipe) v²/2g 0.375v²/2g 0.5v²/2g 0.75v²/2g v²/2g 0.375v²/2g 0.5v²/2g 0.75v²/2g ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME For pipes, laminar flow occurs when Roynolds number is more than 4000 between 2000 and 4000 less than 4000 less than 2000 more than 4000 between 2000 and 4000 less than 4000 less than 2000 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME When a piping system is made up primarily of vertical lift and very little pipe friction, the pump characteristics should be First rise and then fall Nearly horizontal Horizontal Steep First rise and then fall Nearly horizontal Horizontal Steep ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Axial flow pump is started with its delivery valve Kept fully open Irrespective of any position Kept fully closed Kept 50% open Kept fully open Irrespective of any position Kept fully closed Kept 50% open ANSWER DOWNLOAD EXAMIANS APP
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