Hydraulics and Fluid Mechanics in ME For centrifugal pump impeller, the maximum value of the vane exit angle is 10° to 15° 20° to 25° 25° to 30° 15° to 20° 10° to 15° 20° to 25° 25° to 30° 15° to 20° ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The vapour pressure over the concave surface is less man the vapour pressure over the plane surface equal to the vapour pressure over the plane surface zero greater than the vapour pressure over the plane surface less man the vapour pressure over the plane surface equal to the vapour pressure over the plane surface zero greater than the vapour pressure over the plane surface ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The siphon will work satisfactorily, if the minimum pressure in the pipe is __________ vapour pressure of liquid. Less than Equal to None of these More than Less than Equal to None of these More than ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME For pipes, laminar flow occurs when Roynolds number is less than 4000 less than 2000 more than 4000 between 2000 and 4000 less than 4000 less than 2000 more than 4000 between 2000 and 4000 ANSWER DOWNLOAD EXAMIANS APP
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) waV / g waV / 2g waV² / g waV² / 2g waV / g waV / 2g waV² / g waV² / 2g ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME When a cylindrical vessel, containing some liquid, is rotated about its vertical axis, the liquid surface is depressed down at the axis of its rotation and rises up near the walls of the vessel on all sides. This type of flow is known as Turbulent flow Uniform flow Vortex flow Steady flow Turbulent flow Uniform flow Vortex flow Steady flow ANSWER DOWNLOAD EXAMIANS APP