Hydraulics and Fluid Mechanics in ME Reynolds number is significant in simultaneous motion through two fluids where there is a surface of dis-continuity, gravity forces, and wave making effect, as with ship’s hulls supersonics, as with projectile and jet propulsion All of these full immersion or completely enclosed flow, as with pipes, aircraft wings, nozzles etc simultaneous motion through two fluids where there is a surface of dis-continuity, gravity forces, and wave making effect, as with ship’s hulls supersonics, as with projectile and jet propulsion All of these full immersion or completely enclosed flow, as with pipes, aircraft wings, nozzles etc ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The purpose of a surge tank is All of these To eliminate water hammer possibilities To control the pressure variations due to rapid changes in the pipe line flow To regulate flow of water to turbines by providing necessary retarding head of water All of these To eliminate water hammer possibilities To control the pressure variations due to rapid changes in the pipe line flow To regulate flow of water to turbines by providing necessary retarding head of water ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The boundary layer thickness at a distance of l m from the leading edge of a flat plate, kept at zero angle of incidence to the flow direction, is O.l cm. The velocity outside the boundary layer is 25 ml sec. The boundary layer thickness at a distance of 4 m is (Assume that boundary layer is entirely laminar) 0.05 cm 0.40 cm 0.10 cm 0.20 cm 0.05 cm 0.40 cm 0.10 cm 0.20 cm ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Stoke is the unit of Dynamic viscosity in S. I. units Kinematic viscosity in M. K. S. units Kinematic viscosity in C. G. S. units Dynamic viscosity in M. K. S. units Dynamic viscosity in S. I. units Kinematic viscosity in M. K. S. units Kinematic viscosity in C. G. S. units Dynamic viscosity in M. K. S. units ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A flow through an expanding tube at constant rate is called Unsteady uniform flow Unsteady non-uniform flow Steady uniform flow Steady non-uniform flow Unsteady uniform flow Unsteady non-uniform flow Steady uniform flow Steady non-uniform flow ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The hydraulic mean depth or the hydraulic radius is the ratio of Area of flow and wetted perimeter Velocity of flow and area of flow None of these Wetted perimeter and diameter of pipe Area of flow and wetted perimeter Velocity of flow and area of flow None of these Wetted perimeter and diameter of pipe ANSWER DOWNLOAD EXAMIANS APP
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