Hydraulics and Fluid Mechanics in ME The total energy line lies over the centre line of the pipe by an amount equal to Pressure head Velocity head Pressure head - velocity head Pressure head + velocity head Pressure head Velocity head Pressure head - velocity head Pressure head + velocity head ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Which of the following velocity potentials satisfies continuity equation ? x2 + y2 x2y x2-y2 cosx x2 + y2 x2y x2-y2 cosx 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/2 L/4 L/3 L L/2 L/4 L/3 L ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In case of an airfoil, the separation of flow occurs at the extreme rear of body at the extreme front of body midway between rear and front of body any where between rear and front of body depending upon Reynolds number at the extreme rear of body at the extreme front of body midway between rear and front of body any where between rear and front of body depending upon Reynolds number ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The flow in which the particles of a fluid attain such velocities that varies from point to point in magnitude and direction as well as from instant to instant, is known as One dimensional flow Steady flow Uniform flow Turbulent flow One dimensional flow Steady flow Uniform flow Turbulent flow ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME When the velocity distribution is uniform over the cross-section, the correction factor for momentum is 1 2 43924 1 2 43924 ANSWER DOWNLOAD EXAMIANS APP
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