Hydraulics and Fluid Mechanics in ME Kinematic similarity is said to exist between the model and the prototype, if both of them Are identical in shape, but differ only in size Have identical velocities Have identical forces Are equal in size and shape Are identical in shape, but differ only in size Have identical velocities Have identical forces Are equal in size and shape ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The flow in a pipe is neither laminar nor turbulent when Reynold number is Between 2000 and 2800 None of these Less than 2000 More than 2800 Between 2000 and 2800 None of these Less than 2000 More than 2800 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The theoretical velocity of jet at vena contracta is (where H = Head of water at vena contracta) 2g × √H √(2gh) H × √(2g) 2gH 2g × √H √(2gh) H × √(2g) 2gH ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Multistage centrifugal pumps are used to Produce high heads Pump viscous fluids All of these Give high discharge Produce high heads Pump viscous fluids All of these Give high discharge ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME When a piping system is made up primarily of vertical lift and very little pipe friction, the pump characteristics should be Horizontal First rise and then fall Steep Nearly horizontal Horizontal First rise and then fall Steep Nearly horizontal ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The flow in which the velocity vector is identical in magnitude and direction at every point, for any given instant, is known as steady flow uniform f^w turbulent flow one dimensional flow steady flow uniform f^w turbulent flow one dimensional flow ANSWER DOWNLOAD EXAMIANS APP