Hydraulics and Fluid Mechanics in ME The theoretical velocity of jet at vena contracta is (where H = Head of water at vena contracta) 2gH 2g × √H √(2gh) H × √(2g) 2gH 2g × √H √(2gh) H × √(2g) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The flow in which the particles of a fluid attain such velocities that varies from point to point in magnitude and direction as well as from instant to instant, is known as Uniform flow Turbulent flow One dimensional flow Steady flow Uniform flow Turbulent flow One dimensional flow Steady flow ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The atmospheric pressure with rise in altitude decreases first steeply and then gradually first slowly and then steeply linearly unpredictable first steeply and then gradually first slowly and then steeply linearly unpredictable 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 No flow will take place Cavitation will be formed Excessive power will be consumed Efficiency will be low No flow will take place Cavitation will be formed Excessive power will be consumed Efficiency will be low ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Newton’s law of viscosity relates shear stress and rate of angular deformation viscosity and rate of angular deformation shear stress, viscosity and temperature intensity of pressure and rate of angular deformation shear stress and rate of angular deformation viscosity and rate of angular deformation shear stress, viscosity and temperature intensity of pressure and rate of angular deformation ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The overall efficiency for a Pelton wheel lies between 0.65 to 0.75 0.50 to 0.65 0.75 to 0.85 0.85 to 0.90 0.65 to 0.75 0.50 to 0.65 0.75 to 0.85 0.85 to 0.90 ANSWER DOWNLOAD EXAMIANS APP