Hydraulics and Fluid Mechanics in ME If the surface of liquid is convex, men Cohesion pressure is decreased Cohesion pressure is increased There is no cohesion pressure Cohesion pressure is negligible Cohesion pressure is decreased Cohesion pressure is increased There is no cohesion pressure Cohesion pressure is negligible ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Cavitation will begin when pressure is increased flow is increased pressure becomes more than critical pressure the pressure at any location reaches an absolute pressure equal to the saturated vapour pressure of the liquid pressure is increased flow is increased pressure becomes more than critical pressure the pressure at any location reaches an absolute pressure equal to the saturated vapour pressure of the liquid ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The depth of centre of pressure (h) for a vertically immersed surface from the liquid surface is given by (where IG = Moment of inertia of the immersed surface about horizontal axis through its centre of gravity, A = Area of immersed surface, and x = Depth of centre of gravity of the immersed surface from the liquid surface) (IG/Ax̅) + x̅ (IG/x̅) - Ax̅ (IG/Ax̅) - x̅ (Ax̅/IG) + x̅ (IG/Ax̅) + x̅ (IG/x̅) - Ax̅ (IG/Ax̅) - x̅ (Ax̅/IG) + x̅ ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The value of friction factor ‘f’ for smooth pipes for Reynolds number 106 is approximately equal to 0.01 0.001 0.0001 0.1 0.01 0.001 0.0001 0.1 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME When the Mach number is less than unity, the flow is called Hyper-sonic flow Sonic flow Sub-sonic flow Super-sonic flow Hyper-sonic flow Sonic flow Sub-sonic flow Super-sonic flow ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The hydraulic efficiency of an impulse turbine is the Ratio of the actual work available at the turbine to the energy imparted to the wheel None of these Ratio of the work done on the wheel to the energy of the jet Ratio of the actual power produced by the turbine to the energy actually supplied by the turbine Ratio of the actual work available at the turbine to the energy imparted to the wheel None of these Ratio of the work done on the wheel to the energy of the jet Ratio of the actual power produced by the turbine to the energy actually supplied by the turbine ANSWER DOWNLOAD EXAMIANS APP