Hydraulics and Fluid Mechanics in ME The overall efficiency of a reaction turbine is the ratio of Power produced by the turbine to the energy actually supplied by the turbine None of these Actual work available at the turbine to the energy imparted to the wheel Work-done on the wheel to the energy (or head of water) actually supplied to the turbine Power produced by the turbine to the energy actually supplied by the turbine None of these Actual work available at the turbine to the energy imparted to the wheel Work-done on the wheel to the energy (or head of water) actually supplied to the turbine ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME According to Darcy's formula, the loss of head due to friction in the pipe is (where f = Darcy's coefficient, l = Length of pipe, v = Velocity of liquid in pipe, and d = Diameter of pipe) 4flv²/2gd flv²/2gd 3flv²/2gd flv²/gd 4flv²/2gd flv²/2gd 3flv²/2gd flv²/gd ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In a Francis turbine runner, the numbers of blades are generally between 16 to 24 8 to 16 2 to 4 4 to 8 16 to 24 8 to 16 2 to 4 4 to 8 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The imaginary line drawn in the fluid in such a way that the tangent to any point gives the direction of motion at that point, is known as Steak line Path line Potential line Stream line Steak line Path line Potential line Stream line ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The velocity at which the flow changes from laminar flow to turbulent flow is called Velocity of approach Super-sonic velocity Critical velocity Sub-sonic velocity Velocity of approach Super-sonic velocity Critical velocity Sub-sonic velocity ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The unit of surface tension is N/m3 N/m N/m2 N-m N/m3 N/m N/m2 N-m ANSWER DOWNLOAD EXAMIANS APP