Hydraulics and Fluid Mechanics in ME A flow in which the volume of a fluid and its density does not change during the flow is called _________ flow. Incompressible None of these Viscous Compressible Incompressible None of these Viscous Compressible 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 The velocity corresponding to Reynold number of 2800, is called Lower critical velocity Super-sonic velocity Sub-sonic velocity Higher critical velocity Lower critical velocity Super-sonic velocity Sub-sonic velocity Higher critical velocity ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A body floating in a liquid is said to be in neutral equilibrium, if its metacentre Lies below its centre of gravity Lies above its centre of gravity Lies between the centre of buoyancy and centre of gravity Coincides with its centre of gravity Lies below its centre of gravity Lies above its centre of gravity Lies between the centre of buoyancy and centre of gravity Coincides with its centre of gravity ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The most economical section of a rectangular channel is one which has hydraulic mean depth or hydraulic radius equal to Half the depth Twice the breadth Twice the depth Half the breadth Half the depth Twice the breadth Twice the depth Half the breadth ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The factional resistance of a pipe varies approximately with __________ of the liquid. Square of velocity Pressure Velocity Cube of velocity Square of velocity Pressure Velocity Cube of velocity ANSWER DOWNLOAD EXAMIANS APP
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