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 wH2/2 wH wH2/4 wH/2 wH2/2 wH ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME An object having 10 kg mass weighs 9.81 kg on a spring balance. The value of 'g' at this place is 9.75 m/sec² 9 m/sec 10 m/sec² 9.81 m/sec² 9.75 m/sec² 9 m/sec 10 m/sec² 9.81 m/sec² ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Which place in hydraulic turbine is most susceptible for cavitations? Penstock Inlet of draft rube Guide blade Blade inlet Penstock Inlet of draft rube Guide blade Blade inlet 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/x̅) - Ax̅ (Ax̅/IG) + x̅ (IG/Ax̅) - x̅ (IG/Ax̅) + x̅ (IG/x̅) - Ax̅ (Ax̅/IG) + x̅ (IG/Ax̅) - x̅ (IG/Ax̅) + x̅ ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The discharge through a large rectangular orifice is given by (where H1 = Height of the liquid above the top of the orifice, H2 = Height of the liquid above the bottom of the orifice, b = Breadth of the orifice, and Cd = Coefficient of discharge) Q = (2/3) Cd × b × √(2g) × (H21/2 - H11/2) Q = (2/3) Cd × b × √(2g) × (H23/2 - H13/2) Q = (2/3) Cd × b × √(2g) × (H2 - H1) Q = (2/3) Cd × b × √(2g) × (H22 - H12) Q = (2/3) Cd × b × √(2g) × (H21/2 - H11/2) Q = (2/3) Cd × b × √(2g) × (H23/2 - H13/2) Q = (2/3) Cd × b × √(2g) × (H2 - H1) Q = (2/3) Cd × b × √(2g) × (H22 - H12) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Kinematic similarity is said to exist between the model and the prototype, if both of them Have identical velocities Are equal in size and shape Are identical in shape, but differ only in size Have identical forces Have identical velocities Are equal in size and shape Are identical in shape, but differ only in size Have identical forces ANSWER DOWNLOAD EXAMIANS APP