Hydraulics and Fluid Mechanics in ME A flow is called hyper-sonic, if the Mach number is Between 1 and 6 Unity None of these Less than unity Between 1 and 6 Unity None of these Less than unity ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A channel is said to be of most economical cross-section, if All of these It involves lesser excavation for the designed amount of discharge It has minimum wetted perimeter It gives maximum discharge for a given cross-sectional area and bed slope All of these It involves lesser excavation for the designed amount of discharge It has minimum wetted perimeter It gives maximum discharge for a given cross-sectional area and bed slope ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME When a liquid is flowing through a pipe, the velocity of the liquid is Maximum at the centre and zero near the walls Minimum at the centre and maximum near the walls Zero at the centre and maximum near the walls Maximum at the centre and minimum near the walls Maximum at the centre and zero near the walls Minimum at the centre and maximum near the walls Zero at the centre and maximum near the walls Maximum at the centre and minimum near the walls ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The discharge through a wholly drowned orifice is given by (where H1 = Height of water (on the upstream side) above the top of the orifice, H2 = Height of water (on the downstream side) above the bottom of the orifice, and H = Difference between two water levels on either side of the orifice) Q = Cd × bH2 × √(2gh) Q = Cd × bH₁ × √(2gh) Q = Cd × bH × √(2gh) Q = Cd × b (H2 - H1) × √(2gh) Q = Cd × bH2 × √(2gh) Q = Cd × bH₁ × √(2gh) Q = Cd × bH × √(2gh) Q = Cd × b (H2 - H1) × √(2gh) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME By fitting an air vessel to the reciprocating pump, there is always a saving of work done and subsequently saving of power. The saving in case of a double acting reciprocating pump is 0.488 0.848 0.392 0.884 0.488 0.848 0.392 0.884 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Gradually varied flow is non-steady uniform non-steady non-uniform steady uniform steady non-uniform non-steady uniform non-steady non-uniform steady uniform steady non-uniform ANSWER DOWNLOAD EXAMIANS APP
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