Hydraulics and Fluid Mechanics in ME With an increase in size of tube, the rise or depression of liquid in the tube due to surface tension will Depend upon the characteristics of liquid Decrease Remain unchanged Increase Depend upon the characteristics of liquid Decrease Remain unchanged Increase ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Ratio of inertia force to surface Jension is known as Reynold’s number Weber’s number Mach number Froude number Reynold’s number Weber’s number Mach number Froude number 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) √(2gh) 2gH H × √(2g) 2g × √H √(2gh) 2gH H × √(2g) 2g × √H ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The unit discharge through the turbine is Q/H² Q/H3/2 Q/√H Q/H Q/H² Q/H3/2 Q/√H Q/H ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The velocity at which the flow changes from laminar flow to turbulent flow is called Super-sonic velocity Critical velocity Velocity of approach Sub-sonic velocity Super-sonic velocity Critical velocity Velocity of approach Sub-sonic velocity ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME For hydro-dynamically smooth boundary, the friction coefficient for turbulent flow is a function of Reynolds number and relative roughness constant dependent on relative roughness only dependent only on Reynolds number a function of Reynolds number and relative roughness constant dependent on relative roughness only dependent only on Reynolds number ANSWER DOWNLOAD EXAMIANS APP