Hydraulics and Fluid Mechanics in ME The theoretical velocity of jet at vena contracta is (where H = Head of water at vena contracta) H × √(2g) 2gH 2g × √H √(2gh) H × √(2g) 2gH 2g × √H √(2gh) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The distance y from pipe boundary, at which the point velocity is equal to average velocity for turbulent flow, is (where R is radius of pipe) 0.223 R 0.577 R 0.423 R 0.707 R 0.223 R 0.577 R 0.423 R 0.707 R ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In an outward flow reaction turbine The flow of water is partly radial and partly axial The water flows parallel to the axis of the wheel The water enters at the centre of the wheel and then flows towards the outer periphery of the wheel The water enters the wheel at the outer periphery and then flows towards the centre of the wheel The flow of water is partly radial and partly axial The water flows parallel to the axis of the wheel The water enters at the centre of the wheel and then flows towards the outer periphery of the wheel The water enters the wheel at the outer periphery and then flows towards the centre of the wheel ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The ratio of the inertia force to the elastic force is called Mach number Froude's number Reynold's number Weber's number Mach number Froude's number Reynold's number Weber's number ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME For a body floating in a liquid the normal pressure exerted by the liquid acts at metacentre bottom surface of the body all points on the surface of the body e.g. of the body metacentre bottom surface of the body all points on the surface of the body e.g. of the body ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME If the elevation of hydraulic grade line at the junction of three pipes is above the elevation of reservoirs B and C and below reservoir A, then the direction of flow will be from reservoir C to reservoirs A and B from reservoir A to reservoirs B and C from reservoir B to reservoirs C and A unpredictable from reservoir C to reservoirs A and B from reservoir A to reservoirs B and C from reservoir B to reservoirs C and A unpredictable ANSWER DOWNLOAD EXAMIANS APP