Hydraulics and Fluid Mechanics in ME The water pressure per metre length on a vertical masonry wall of dam is (where w = Specific weight of the liquid, and H = Height of the liquid) wH2/4 wH/2 wH wH2/2 wH2/4 wH/2 wH wH2/2 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Coefficient of contraction is the ratio of Loss of head in the orifice to the head of water available at the exit of the orifice Loss of head in the orifice to the head of water available at the exit of the orifice Actual velocity of jet at vena contracta to the theoretical velocity Area of jet at vena-contracta to the area of orifice Loss of head in the orifice to the head of water available at the exit of the orifice Loss of head in the orifice to the head of water available at the exit of the orifice Actual velocity of jet at vena contracta to the theoretical velocity Area of jet at vena-contracta to the area of orifice 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) (Ax̅/IG) + x̅ (IG/Ax̅) + x̅ (IG/x̅) - Ax̅ (IG/Ax̅) - x̅ (Ax̅/IG) + x̅ (IG/Ax̅) + x̅ (IG/x̅) - Ax̅ (IG/Ax̅) - x̅ ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The velocity of the liquid flowing through the divergent portion of a Venturimeter Decreases Increases Remains constant Depends upon mass of liquid Decreases Increases Remains constant Depends upon mass of liquid ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Cavitation will begin when pressure is increased pressure becomes more than critical pressure flow is increased the pressure at any location reaches an absolute pressure equal to the saturated vapour pressure of the liquid pressure is increased pressure becomes more than critical pressure flow is increased 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 units of kinematic viscosity are kg sec/meter metres² per sec newton-sec per meter newton-sec per meter kg sec/meter metres² per sec newton-sec per meter newton-sec per meter ANSWER DOWNLOAD EXAMIANS APP