Hydraulics and Fluid Mechanics in ME The total energy line lies over the centre line of the pipe by an amount equal to Pressure head - velocity head Pressure head + velocity head Pressure head Velocity head Pressure head - velocity head Pressure head + velocity head Pressure head Velocity head ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The hydraulic mean depth or the hydraulic radius is the ratio of Area of flow and wetted perimeter Wetted perimeter and diameter of pipe None of these Velocity of flow and area of flow Area of flow and wetted perimeter Wetted perimeter and diameter of pipe None of these Velocity of flow and area of flow ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A Francis turbine is used when the available head of water is 0 to 25 m Above 250 m None of these 25 m to 250 m 0 to 25 m Above 250 m None of these 25 m to 250 m 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 Between 2000 and 2800 More than 2800 None of these Less than 2000 Between 2000 and 2800 More than 2800 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A turbine is required to develop 1500 kW at 300 r.p.m. under a head of 150 m. Which of the following turbine should be used? Pelton wheel with one nozzle Francis turbine Kaplan turbine Pelton wheel with two or more nozzles Pelton wheel with one nozzle Francis turbine Kaplan turbine Pelton wheel with two or more nozzles ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME When the Mach number is between ___ the flow is called super-sonic flow. 4 and 6 2.5 and 4 1 and 2.5 1 and 6 4 and 6 2.5 and 4 1 and 2.5 1 and 6 ANSWER DOWNLOAD EXAMIANS APP
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