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 Center of buoyancy is the centroid of the displaced volume of fluid does not exist center of pressure of displaced volume e.g. of floating body centroid of the displaced volume of fluid does not exist center of pressure of displaced volume e.g. of floating body ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The maximum hydraulic efficiency of an impulse turbine is (where φ = Angle of blade tip at outlet) (1 - cos φ)/2 (1 + sin φ)/2 (1 + cos φ)/2 (1 - sin φ)/2 (1 - cos φ)/2 (1 + sin φ)/2 (1 + cos φ)/2 (1 - sin φ)/2 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The property of a fluid which enables it to resist tensile stress is known as adhesion compressibility cohesion surface tension adhesion compressibility cohesion surface tension ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME When a liquid is flowing through a pipe, the velocity of the liquid is Minimum at the centre and maximum near the walls Zero at the centre and maximum near the walls Maximum at the centre and minimum near the walls Maximum at the centre and zero near the walls Minimum at the centre and maximum near the walls Zero at the centre and maximum near the walls Maximum at the centre and minimum near the walls Maximum at the centre and zero near the walls ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The value of friction factor ‘f’ for smooth pipes for Reynolds number 106 is approximately equal to 0.01 0.001 0.1 0.0001 0.01 0.001 0.1 0.0001 ANSWER DOWNLOAD EXAMIANS APP