Hydraulics and Fluid Mechanics in ME The velocity corresponding to Reynold number of 2000 is called Lower critical velocity Higher critical velocity Super-sonic velocity Sub-sonic velocity Lower critical velocity Higher critical velocity Super-sonic velocity Sub-sonic velocity 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 velocity High pressure Low pressure High velocity Low velocity High pressure Low pressure High velocity ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Maximum impulse will be developed in hydraulic ram when Ram chamber is large Supply pipe is long Supply pipe is short Waste valve closes suddenly Ram chamber is large Supply pipe is long Supply pipe is short Waste valve closes suddenly ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Which of the following statement is correct as regard to water wheels? All of these They are suitable even for low water heads They have slow speeds They give constant efficiency, even if the discharge is not constant All of these They are suitable even for low water heads They have slow speeds They give constant efficiency, even if the discharge is not constant 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 [H13/2 - Ha3/2] (2/3) Cd × L.√2g [H12 - Ha2] (2/3) Cd × L.√2g [H1 - Ha] (2/3) Cd × L. √2g [H15/2 - Ha5/2] (2/3) Cd × L. √2g [H13/2 - Ha3/2] (2/3) Cd × L.√2g [H12 - Ha2] (2/3) Cd × L.√2g [H1 - Ha] ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The vapour pressure over the concave surface is equal to the vapour pressure over the plane surface less man the vapour pressure over the plane surface greater than the vapour pressure over the plane surface zero equal to the vapour pressure over the plane surface less man the vapour pressure over the plane surface greater than the vapour pressure over the plane surface zero ANSWER DOWNLOAD EXAMIANS APP
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