Hydraulics and Fluid Mechanics in ME The water in a jet propelled boat is drawn through the openings facing the direction of motion of the boat. The efficiency of propulsion is given by V/(vr - v) V/(vr + v) 2V/(vr + v) 2V/(vr - v) V/(vr - v) V/(vr + v) 2V/(vr + v) 2V/(vr - v) 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 [H12 - Ha2] (2/3) Cd × L.√2g [H1 - Ha] (2/3) Cd × L. √2g [H13/2 - Ha3/2] (2/3) Cd × L. √2g [H15/2 - Ha5/2] (2/3) Cd × L.√2g [H12 - Ha2] (2/3) Cd × L.√2g [H1 - Ha] (2/3) Cd × L. √2g [H13/2 - Ha3/2] (2/3) Cd × L. √2g [H15/2 - Ha5/2] ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In a free vortex motion, the radial component of velocity everywhere is zero minimum maximum non-zero and finite zero minimum maximum non-zero and finite ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Head developed by a centrifugal pump depends on Both (A) and (B) above Impeller diameter Fluid density Speed Both (A) and (B) above Impeller diameter Fluid density Speed ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The dynamic viscosity of the liquid __________ with rise in temperature. Remain unaffected Decreases Increases None of these Remain unaffected Decreases Increases None of these ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The total pressure on the surface of a vertical sluice gate 2 m x 1 m with its top 2 m surface being 0.5 m below the water level will be 1000 kg 1500 kg 2000 kg 500 kg 1000 kg 1500 kg 2000 kg 500 kg ANSWER DOWNLOAD EXAMIANS APP
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