Hydraulics and Fluid Mechanics in ME For pipes, laminar flow occurs when Roynolds number is more than 4000 less than 4000 between 2000 and 4000 less than 2000 more than 4000 less than 4000 between 2000 and 4000 less than 2000 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A square surface 3 m x 3 m lies in a vertical line in water pipe its upper edge at vater surface. The hydrostatic force on square surface is 18,000 kg 9,000 kg 13,500 kg 27,000 kg 18,000 kg 9,000 kg 13,500 kg 27,000 kg ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Coefficient of discharge Cd is equal to (where Cc = Coefficient of contraction, Cv = Coefficient of velocity, and Cr = Coefficient of resistance) Cc × Cr Cc/Cr Cc × Cv Cv × Cr Cc × Cr Cc/Cr Cc × Cv Cv × Cr ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In a centrifugal pump casing, the flow of water leaving the impeller, is Radial flow Rectilinear flow Forced vortex Free vortex motion Radial flow Rectilinear flow Forced vortex Free vortex motion ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME If a pump is handling water and is discharging a certain flow Q at a constant total dynamic head requiring a definite B.H.P., the same pump when handling a liquid of specific gravity 0.75 and viscosity nearly same as of water , the horse power required will be 1.5 B.H.P Same H.P./0.75 0.75 B.H.P 1.5 B.H.P Same H.P./0.75 0.75 B.H.P ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The mercury does not wet the glass. This is due to the property of the liquid known as Viscosity Adhesion Cohesion Surface tension Viscosity Adhesion Cohesion Surface tension ANSWER DOWNLOAD EXAMIANS APP
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