Hydraulics and Fluid Mechanics in ME A glass tube of small diameter (d) is dipped in fluid. The height of rise or fall in the tube given by (where w = Specific weight of liquid, α = Angle of contact of the liquid surface, and σ = Surface tension) 4wd/σ cosα 4σ cosα/wd σ cosα/4wd wd/4σ cosα 4wd/σ cosα 4σ cosα/wd σ cosα/4wd wd/4σ cosα ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The viscosity of water is __________ than that of mercury. Same as Higher None of these Lower Same as Higher None of these Lower ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The specific speed from 160 to 500 r.p.m. of a centrifugal pump indicates that the pump is Medium speed with radial flow at outlet Slow speed with radial flow at outlet High speed with axial flow at outlet High speed with radial flow at outlet Medium speed with radial flow at outlet Slow speed with radial flow at outlet High speed with axial flow at outlet High speed with radial flow at outlet ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The total pressure force on a plane area is equal to the area multiplied by the intensity of pressure at the Centroid, if The area is inclined All of these The area is vertical The area is horizontal The area is inclined All of these The area is vertical The area is horizontal ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In a centrifugal pump casing, the flow of water leaving the impeller, is Forced vortex Free vortex motion Rectilinear flow Radial flow Forced vortex Free vortex motion Rectilinear flow Radial flow ANSWER DOWNLOAD EXAMIANS APP
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