Hydraulics and Fluid Mechanics in ME The velocity at which the flow changes from laminar flow to turbulent flow is called Critical velocity Velocity of approach Super-sonic velocity Sub-sonic velocity Critical velocity Velocity of approach Super-sonic velocity Sub-sonic velocity ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In open channels, the specific energy is the Total energy per unit discharge Kinetic energy plotted above the free surface of water Total energy measured with respect to the datum passing through the bottom of the channel Total energy measured above the horizontal datum Total energy per unit discharge Kinetic energy plotted above the free surface of water Total energy measured with respect to the datum passing through the bottom of the channel Total energy measured above the horizontal datum ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME If the weight of a body immersed in a fluid exceeds the buoyant force, then the body will rise until its weight equals the buoyant force None of these float tend to move downward and it may finally sink rise until its weight equals the buoyant force None of these float tend to move downward and it may finally sink ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The diameter of the nozzle (d) for maximum transmission of power is given by (where D = Diameter of pipe, f = Darcy’s coefficient of friction for pipe, and l = Length of pipe) d = (D⁵/8fl)1/4 d = (D⁵/8fl)1/5 d = (D⁵/8fl)1/2 d = (D⁵/8fl)1/3 d = (D⁵/8fl)1/4 d = (D⁵/8fl)1/5 d = (D⁵/8fl)1/2 d = (D⁵/8fl)1/3 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A flow through a long pipe at constant rate is called Unsteady uniform flow Steady uniform flow Steady non-uniform flow Unsteady non-uniform flow Unsteady uniform flow Steady uniform flow Steady non-uniform flow Unsteady non-uniform flow ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A fluid having no viscosity is known as Non-Newtonian fluid Newtonian fluid Ideal fluid Real fluid Non-Newtonian fluid Newtonian fluid Ideal fluid Real fluid ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS