Hydraulics and Fluid Mechanics in ME The theoretical velocity of jet at vena contracta is (where H = Head of water at vena contracta) √(2gh) 2g × √H 2gH H × √(2g) √(2gh) 2g × √H 2gH H × √(2g) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The maximum hydraulic efficiency of an impulse turbine is (where φ = Angle of blade tip at outlet) (1 + cos φ)/2 (1 + sin φ)/2 (1 - sin φ)/2 (1 - cos φ)/2 (1 + cos φ)/2 (1 + sin φ)/2 (1 - sin φ)/2 (1 - cos φ)/2 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The flow in a pipe is neither laminar nor turbulent when Reynold number is None of these Less than 2000 More than 2800 Between 2000 and 2800 None of these Less than 2000 More than 2800 Between 2000 and 2800 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME When the Venturimeter is inclined, then for a given flow it will show __________ reading. Same Less None of these More Same Less None of these More ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In a lock-gate, the reaction between two gates is (where P = Resultant pressure on the lock gate, and α = Inclination of the gate with the normal to the side of the lock) 2p/sinα 2p/sin (α/2) p/2sinα p/sinα 2p/sinα 2p/sin (α/2) p/2sinα p/sinα ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Two pipes of same length and diameters d and 2d respectively are connected in series. The diameter of an equivalent pipe of same length is less than d greater than 2d between 1.5 d and 2d between d and 1.5 d less than d greater than 2d between 1.5 d and 2d between d and 1.5 d ANSWER DOWNLOAD EXAMIANS APP
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