Fluid Mechanics For turbulent fluid flow in pipe, the expression for Prandtl one seventh power law is (where, r = pipe radius, x = distance). V/Vmax = (x.r)1/7 V/Vmax = (x/r)1/7 None of these V/Vmax = (r/x)1/7 V/Vmax = (x.r)1/7 V/Vmax = (x/r)1/7 None of these V/Vmax = (r/x)1/7 ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The distance between metacentre and __________ is called metacentric height. Water surface Centre of gravity None of these Centre of buoyancy Water surface Centre of gravity None of these Centre of buoyancy ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics A stream line is Drawn normal to the velocity vector at every point A line connecting the mid points of flow cross-section Always the path of particle Fixed in space in steady flow Drawn normal to the velocity vector at every point A line connecting the mid points of flow cross-section Always the path of particle Fixed in space in steady flow ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics In case of turbulent flow of a Newtonion fluid in a straight pipe, the maximum velocity is equal to (where, Vavg = average fluid velocity) 1.8 Vavg 1.2 Vavg 1.5 Vavg Vavg 1.8 Vavg 1.2 Vavg 1.5 Vavg Vavg ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The normal stress is the same in all directions at a point in a fluid, when the fluid is Having no motion of one fluid layer relative to the other Incompressible Non-viscous Both A and B Having no motion of one fluid layer relative to the other Incompressible Non-viscous Both A and B ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The most suitable flow measuring device for the fluid flow measurement in a very large diameter pipeline is a Pitot tube Kennison nozzle V-notch Weir Pitot tube Kennison nozzle V-notch Weir ANSWER DOWNLOAD EXAMIANS APP
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