Fluid Mechanics The Prandtl mixing length is Zero at the pipe wall and is a universal constant Useful for computing laminar flow problems Independent of the shear stress Independent of radial distance from the pipe axis Zero at the pipe wall and is a universal constant Useful for computing laminar flow problems Independent of the shear stress Independent of radial distance from the pipe axis ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Which of the following is not a dimension-less parameter? Specific gravity Euler number None of these Fanning friction factor Specific gravity Euler number None of these Fanning friction factor 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 Horizontal straight line Zig-zag path (which is geometrically undefined) Parabola (vertex being at the opening) Hyperbola Horizontal straight line Zig-zag path (which is geometrically undefined) ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The hydraulic radius for flow in a rectangular duct of cross-sectional dimension H, W is 2HW/(H + W)² HW/2(H + W)² √(HW/π) HW/4(H + W)² 2HW/(H + W)² HW/2(H + W)² √(HW/π) HW/4(H + W)² ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Velocity of liquid hydrocarbon fuels in a pipeline can not be measured by magnetic flowmeters, because their __________ is very low/small. Electrical resistivity Electrical conductivity Specific gravity Thermal conductivity Electrical resistivity Electrical conductivity Specific gravity Thermal conductivity ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The nominal size of a hose pipe is specified by its Thickness I.D. O.D. None of these Thickness I.D. O.D. None of these ANSWER DOWNLOAD EXAMIANS APP