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 Path line Potential line Steak line Stream line Path line Potential line Steak line Stream line ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Discharge (Q) of a centrifugal pump is given by (where D = Diameter of impeller at inlet, b = Width of impeller at inlet, and Vf = Velocity of flow at inlet) Q = π.D.bf.V Q = π.D.Vf Q = D.b.Vf Q = π.b.Vf Q = π.D.bf.V Q = π.D.Vf Q = D.b.Vf Q = π.b.Vf ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The magnitude of water hammer depends upon the Elastic properties of the pipe material All of these Speed at which the valve is closed Elastic properties of the liquid flowing through the pipe Elastic properties of the pipe material All of these Speed at which the valve is closed Elastic properties of the liquid flowing through the pipe ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Newton's law of viscosity is a relationship between Shear stress and rate of shear strain Pressure, velocity and temperature Shear stress and velocity Rate of shear strain and temperature Shear stress and rate of shear strain Pressure, velocity and temperature Shear stress and velocity Rate of shear strain and temperature ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The hydraulic grade line is always sloping downward in the direction of flow All of these never above the energy grade line always above the centre line of pipe always sloping downward in the direction of flow All of these never above the energy grade line always above the centre line of pipe ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME If the net positive suction head (NPSH) requirement for the pump is not satisfied, then Cavitation will be formed No flow will take place Excessive power will be consumed Efficiency will be low Cavitation will be formed No flow will take place Excessive power will be consumed Efficiency will be low ANSWER DOWNLOAD EXAMIANS APP