Hydraulics and Fluid Mechanics in ME The value of coefficient of velocity for a sharp edged orifice __________ with the head of water. Decreases Increases None of these Remain same Decreases Increases None of these Remain same ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The relation between hydraulic efficiency (ηh), mechanical efficiency (ηm) and overall efficiency (ηo) is None of these ηm = ηm × ηh ηh = ηo × ηm ηo = ηh × ηm None of these ηm = ηm × ηh ηh = ηo × ηm ηo = ηh × ηm ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The hydraulic gradient line lies over the centre line of the pipe by an amount equal to the Velocity head Pressure head Pressure head + velocity head Pressure head - velocity head Velocity head Pressure head Pressure head + velocity head Pressure head - velocity head ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME An average value of coefficient of velocity is 0.97 0.84 0.76 0.62 0.97 0.84 0.76 0.62 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A moving fluid mass may be brought to a static equilibrium position, by applying an imaginary inertia force of the same magnitude as that of the accelerating force but in the opposite direction. This statement is called Pascal’s law D-Alembert’s principle Archimedes’s principle None of these Pascal’s law D-Alembert’s principle Archimedes’s principle None of these ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The discharge through a reaction turbine ___ with the increase in unit speed. None of the listed here Decreases Increases Remain same None of the listed here Decreases Increases Remain same ANSWER DOWNLOAD EXAMIANS APP
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