Hydraulics and Fluid Mechanics in ME The flow in a pipe or channel is said to be uniform when The liquid particles at different sections have different velocities The quantity of liquid flowing per second is constant The liquid particles at all sections have the same velocities Each liquid particle has a definite path The liquid particles at different sections have different velocities The quantity of liquid flowing per second is constant The liquid particles at all sections have the same velocities Each liquid particle has a definite path ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Power required (in watts) to drive a centrifugal pump is (where Hm = Manometric head in metres, w = Specific weight in N/m3, Q = Discharge of the pump in m3/s, and ηo = Overall efficiency of the pump) (w Q ηo) / Hm (w Hm Q) / ηo (w Hm) / (Q × ηo) (w Q) / (Hm × ηo) (w Q ηo) / Hm (w Hm Q) / ηo (w Hm) / (Q × ηo) (w Q) / (Hm × ηo) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The total energy line lies over the hydraulic gradient line by an amount equal to the Velocity head Pressure head - velocity head Pressure head + velocity head Pressure head Velocity head Pressure head - velocity head Pressure head + velocity head Pressure head ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In case of an airfoil, the separation of flow occurs midway between rear and front of body at the extreme rear of body at the extreme front of body any where between rear and front of body depending upon Reynolds number midway between rear and front of body at the extreme rear of body at the extreme front of body any where between rear and front of body depending upon Reynolds number ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In order to avoid tendency of separation at throat in a Venturimeter, the ratio of the diameter at throat to the diameter of pipe should be 1/16 to 1/8 1/3 to 1/2 1/8 to 1/4 1/4 to 1/3 1/16 to 1/8 1/3 to 1/2 1/8 to 1/4 1/4 to 1/3 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A venturi-flume is used to measure Pressure difference between two points in a pipe Discharge of liquid Pressure difference between two points in a channel Pressure of liquid Pressure difference between two points in a pipe Discharge of liquid Pressure difference between two points in a channel Pressure of liquid ANSWER DOWNLOAD EXAMIANS APP
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