Hydraulics and Fluid Mechanics in ME Rain drops are spherical because of atmospheric pressure surface tension forces air resistance viscosity atmospheric pressure surface tension forces air resistance viscosity ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A nozzle placed at the end of a water pipe line discharges water at a Low pressure High pressure Low velocity High velocity Low pressure High pressure Low velocity High velocity 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 × Cv Cc/Cr Cv × Cr Cc × Cr Cc × Cv Cc/Cr Cv × Cr ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The discharge over a rectangular weir, considering the velocity of approach, is (whereH1 = H + Ha = Total height of water above the weir, H = Height of water over the crest of the weir, and Ha = Height of water due to velocity of approach) (2/3) Cd × L. √2g [H15/2 - Ha5/2] (2/3) Cd × L.√2g [H1 - Ha] (2/3) Cd × L. √2g [H13/2 - Ha3/2] (2/3) Cd × L.√2g [H12 - Ha2] (2/3) Cd × L. √2g [H15/2 - Ha5/2] (2/3) Cd × L.√2g [H1 - Ha] (2/3) Cd × L. √2g [H13/2 - Ha3/2] (2/3) Cd × L.√2g [H12 - Ha2] ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Discharge of a centrifugal pump is Directly proportional to diameter of its impeller Directly proportional to (diameter)² of its impeller Inversely proportional to (diameter)² of its impeller Inversely proportional to diameter of its impeller Directly proportional to diameter of its impeller Directly proportional to (diameter)² of its impeller Inversely proportional to (diameter)² of its impeller Inversely proportional to diameter of its impeller ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Mach number is significant in 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 force, and wave making effects, as with ship’s hulls all of fhe above supersonics, as with projectiles and jet propulsion 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 force, and wave making effects, as with ship’s hulls all of fhe above supersonics, as with projectiles and jet propulsion ANSWER DOWNLOAD EXAMIANS APP