Hydraulics and Fluid Mechanics in ME Ratio of inertia force to surface Jension is known as Reynold’s number Froude number Mach number Weber’s number Reynold’s number Froude number Mach number Weber’s number 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) 0.20 cm 0.10 cm 0.40 cm 0.05 cm 0.20 cm 0.10 cm 0.40 cm 0.05 cm ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Kinematic viscosity is equal to density/dynamic viscosity dynamic viscosity/density 1/dynamicviscosity x density dynamicviscosity x density density/dynamic viscosity dynamic viscosity/density 1/dynamicviscosity x density dynamicviscosity x density ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The velocity at which the flow changes from laminar flow to turbulent flow is called Sub-sonic velocity Velocity of approach Super-sonic velocity Critical velocity Sub-sonic velocity Velocity of approach Super-sonic velocity Critical velocity ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The surface tension of mercury at normal temperature is __________ that of water. Lower than None of these Same as Higher than Lower than None of these Same as Higher than ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The upper surface of a weir over which water flows is known is crest sill nappe weir top crest sill nappe weir top ANSWER DOWNLOAD EXAMIANS APP
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