Fluid Mechanics The velocity profile exhibited by laminar flow of Newtonion fluids is such that the velocity distribution w.r.t. radius of the circular pipe is a/an __________ with the apex at the centre line of the pipe. Semi-ellipse Hyperbola Parabola Semi-circle Semi-ellipse Hyperbola Parabola Semi-circle ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The energy loss in flow through ven-turimeter is less than that through flow nozzle, because in case of a flow nozzle, the Sudden expansion of flow in the downstream occurs Distance between the throat and the inlet is more Length is shorter Throat diameter is more Sudden expansion of flow in the downstream occurs Distance between the throat and the inlet is more Length is shorter Throat diameter is more ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Path followed by water jet issuing from the bottom of a water tank will be a Parabola (vertex being at the opening) Hyperbola Zig-zag path (which is geometrically undefined) Horizontal straight line Parabola (vertex being at the opening) Hyperbola Zig-zag path (which is geometrically undefined) Horizontal straight line ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics As per Newton's law of viscosity, the shear stress for a given rate of angular deformation of fluid is proportional to(where, μ = fluid viscosity) 1/μ² μ μ² 1/μ 1/μ² μ μ² 1/μ ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics A 2" gate valve fitted in a pipe is replaced by a similar globe valve. Pressure drop in gate valve was Δp. For the same discharge, the pressure drop across globe valve is Δp² Δp < Δp > Δp Δp² Δp < Δp > Δp ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Specific speed of a centrifugal pump relates it with another pump having the Same efficiency Geometrical similarity Dynamic similarity Same speed Same efficiency Geometrical similarity Dynamic similarity Same speed ANSWER DOWNLOAD EXAMIANS APP
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