Hydraulics and Fluid Mechanics in ME A vertically immersed surface is shown in the below figure. The distance of its centre of pressure from the water surface is (bd²/12) + x̅ b²/12 + x̅ d²/12 + x̅ (d²/12 x̅) + x̅ (bd²/12) + x̅ b²/12 + x̅ d²/12 + x̅ (d²/12 x̅) + x̅ 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) 0.375v²/2g 0.75v²/2g 0.5v²/2g v²/2g 0.375v²/2g 0.75v²/2g 0.5v²/2g v²/2g ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The depth ‘d’ below the free surface at which the point velocity is equal to the average velocity of flow for a uniform laminar flow with a free surface, will be (where D is the depth of flow) 0.577 D 0.423 D 0.707 D 0.223 D 0.577 D 0.423 D 0.707 D 0.223 D ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In a short cylindrical external mouthpiece, the vena contracta occurs at a distance __________ the diameter of the orifice from the outlet of orifice. One-fourth One-half One-third Equal to One-fourth One-half One-third Equal to ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Rain drops are spherical because of air resistance viscosity surface tension forces atmospheric pressure air resistance viscosity surface tension forces atmospheric pressure ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The type of centrifugal pump preferred for a specific speed of 20 r.p.m. is Medium speed pump with radial flow at outlet High speed pump with axial flow at outlet High speed pump with radial flow at outlet Slow speed pump with radial flow at outlet Medium speed pump with radial flow at outlet High speed pump with axial flow at outlet High speed pump with radial flow at outlet Slow speed pump with radial flow at outlet ANSWER DOWNLOAD EXAMIANS APP
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