Hydraulics and Fluid Mechanics in ME Mach number is significant in simultaneous motion through two fluids where there is a surface of dis-continuity, gravity force, and wave making effects, as with ship’s hulls full immersion or completely enclosed flow, as with pipes, aircraft wings, nozzles etc all of fhe above supersonics, as with projectiles and jet propulsion simultaneous motion through two fluids where there is a surface of dis-continuity, gravity force, and wave making effects, as with ship’s hulls full immersion or completely enclosed flow, as with pipes, aircraft wings, nozzles etc all of fhe above supersonics, as with projectiles and jet propulsion ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The hydraulic mean depth or the hydraulic radius is the ratio of Velocity of flow and area of flow Wetted perimeter and diameter of pipe None of these Area of flow and wetted perimeter Velocity of flow and area of flow Wetted perimeter and diameter of pipe None of these Area of flow and wetted perimeter ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In a footstep bearing, if the speed of the shaft is doubled, then the torque required to overcome the viscous resistance will be Double Eight times Sixteen times Four times Double Eight times Sixteen times Four times 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) 2gH H × √(2g) 2g × √H √(2gh) 2gH H × √(2g) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Metacentric height is the distance between the metacentre and center of buoyancy water surface center of pressure center of gravity center of buoyancy water surface center of pressure center of gravity ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The maximum efficiency of jet propulsion of a ship with inlet orifices at right angles to the direction of motion of ship, is 0.6 0.8 0.5 0.4 0.6 0.8 0.5 0.4 ANSWER DOWNLOAD EXAMIANS APP