Hydraulics and Fluid Mechanics in ME The force exerted (in Newton) by a jet of water impinging normally on a fixed plate is (where w = Specific weight of water in N/m3, a = Cross-sectional area of jet in m², and V = Velocity of jet in m/s) waV² / g waV / g waV / 2g waV² / 2g waV² / g waV / g waV / 2g waV² / 2g ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The cavitation in reaction turbines is avoided, to a great extent by Providing highly polished blades to the runner All of these Using stainless steel runner of the turbine Installing the turbine below the tail race level Providing highly polished blades to the runner All of these Using stainless steel runner of the turbine Installing the turbine below the tail race level ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The body will float if the force of buoyancy is ___ the weight of the liquid displaced. None of the listed here More than Less than Equal to None of the listed here More than Less than Equal to ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME When the Mach number is between ___ the flow is called super-sonic flow. 1 and 6 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 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Newton’s law of viscosity relates viscosity and rate of angular deformation shear stress and rate of angular deformation shear stress, viscosity and temperature intensity of pressure and rate of angular deformation viscosity and rate of angular deformation shear stress 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 velocity at which the flow changes from laminar flow to turbulent flow is called Sub-sonic velocity Critical velocity Velocity of approach Super-sonic velocity Sub-sonic velocity Critical velocity Velocity of approach Super-sonic velocity ANSWER DOWNLOAD EXAMIANS APP
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