Hydraulics and Fluid Mechanics in ME Mach number is significant in full immersion or completely enclosed flow, as with pipes, aircraft wings, nozzles etc supersonics, as with projectiles and jet propulsion all of fhe above 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 supersonics, as with projectiles and jet propulsion all of fhe above simultaneous motion through two fluids where there is a surface of dis-continuity, gravity force, and wave making effects, as with ship’s hulls ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The overall efficiency of a reaction turbine is the ratio of Work-done on the wheel to the energy (or head of water) actually supplied to the turbine Power produced by the turbine to the energy actually supplied by the turbine Actual work available at the turbine to the energy imparted to the wheel None of these Work-done on the wheel to the energy (or head of water) actually supplied to the turbine Power produced by the turbine to the energy actually supplied by the turbine Actual work available at the turbine to the energy imparted to the wheel None of these ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The resultant upward pressure of the fluid on an immersed body due to its tendency to uplift the submerged body is called Metacentre Up-thrust Reaction Buoyancy Metacentre Up-thrust Reaction Buoyancy ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A piece of metal of specific gravity 7 floats in mercury of specific gravity 13.6. What fraction of its volume is under mercury ? 0.5 0.515 0.5 0.4 0.5 0.515 0.5 0.4 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. Equal to More than Less than None of these Equal to More than Less than None of these ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME If the net positive suction head (NPSH) requirement for the pump is not satisfied, then Excessive power will be consumed Cavitation will be formed No flow will take place Efficiency will be low Excessive power will be consumed Cavitation will be formed No flow will take place Efficiency will be low ANSWER DOWNLOAD EXAMIANS APP