Hydraulics and Fluid Mechanics in ME Which place in hydraulic turbine is most susceptible for cavitations? Blade inlet Inlet of draft rube Penstock Guide blade Blade inlet Inlet of draft rube Penstock Guide blade ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The specific gravity of an oil whose specific weight is 7.85 kN/m3, is 1.2 1.6 0.8 1 1.2 1.6 0.8 1 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME When time of closure tc = L/v0 (where L is length of pipe and v0 is speed of pressure wave), the portion of pipe length subjected to maximum head is L/4 L/2 L L/3 L/4 L/2 L L/3 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The magnitude of water hammer depends upon the All of these Elastic properties of the pipe material Speed at which the valve is closed Elastic properties of the liquid flowing through the pipe All of these Elastic properties of the pipe material Speed at which the valve is closed Elastic properties of the liquid flowing through the pipe ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Air vessels in reciprocating pump are used to Save pump from cavitations Increase pump efficiency Reduce acceleration to minimum Smoothen flow Save pump from cavitations Increase pump efficiency Reduce acceleration to minimum Smoothen flow ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Coefficient of velocity is defined as the ratio of Actual velocity of jet at vena contracta to the theoretical velocity Actual discharge through an orifice to the theoretical discharge None of these Area of jet at vena contracta to the area of orifice Actual velocity of jet at vena contracta to the theoretical velocity Actual discharge through an orifice to the theoretical discharge None of these Area of jet at vena contracta to the area of orifice ANSWER DOWNLOAD EXAMIANS APP