Hydraulics and Fluid Mechanics in ME If velocity is zero over l/3rd of a cross-section and is uniform over remaining 2/3rd of the cross-section, then the correction factor for kinetic energy is 43924 44078 43892 27/8 43924 44078 43892 27/8 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME When the Mach number is between ___ the flow is called super-sonic flow. 2.5 and 4 1 and 6 1 and 2.5 4 and 6 2.5 and 4 1 and 6 1 and 2.5 4 and 6 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The ratio of the normal force of jet of water on a plate inclined at an angle of 30° as compared to that when the plate is normal to jet, is 1/√2 √2 1 43832 1/√2 √2 1 43832 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A moving fluid mass may be brought to a static equilibrium position, by applying an imaginary inertia force of the same magnitude as that of the accelerating force but in the opposite direction. This statement is called D-Alembert’s principle Archimedes’s principle None of these Pascal’s law D-Alembert’s principle Archimedes’s principle None of these Pascal’s law ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The overall efficiency for a Pelton wheel lies between 0.50 to 0.65 0.85 to 0.90 0.65 to 0.75 0.75 to 0.85 0.50 to 0.65 0.85 to 0.90 0.65 to 0.75 0.75 to 0.85 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME According to equation of continuity, w1a1 = w2a2 a1/v1 = a2/v2 a1v1 = a2v2 w1v1 = w2v2 w1a1 = w2a2 a1/v1 = a2/v2 a1v1 = a2v2 w1v1 = w2v2 ANSWER DOWNLOAD EXAMIANS APP