Fluid Mechanics The Prandtl mixing length is Useful for computing laminar flow problems Independent of radial distance from the pipe axis Zero at the pipe wall and is a universal constant Independent of the shear stress Useful for computing laminar flow problems Independent of radial distance from the pipe axis Zero at the pipe wall and is a universal constant Independent of the shear stress ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Select the wrong statement pertaining to flow of an incompressible fluid through a venturimeter. For frictionless flow, the fluid pressure entering the venturi meter will be exactly equal to that leaving the venturimeter Venturimeter incurs less power loss compared to an equivalent orificemeter Discharge of fluid through a venturimeter depends upon the gage difference irrespective of the orientation of venturimeter Venturimeter occupies less space than an orificemeter For frictionless flow, the fluid pressure entering the venturi meter will be exactly equal to that leaving the venturimeter Venturimeter incurs less power loss compared to an equivalent orificemeter Discharge of fluid through a venturimeter depends upon the gage difference irrespective of the orientation of venturimeter Venturimeter occupies less space than an orificemeter 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/π) HW/4(H + W)² HW/2(H + W)² 2HW/(H + W)² √(HW/π) HW/4(H + W)² HW/2(H + W)² ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Interstage coolers are provided in a multistage compressor to Save power in compressing a given volume to a given pressure None of these Cool the delivered air Achieve the exact delivery pressure Save power in compressing a given volume to a given pressure None of these Cool the delivered air Achieve the exact delivery pressure ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics In frictional fluid flow, the quantity, P/ρ + V²/2gc + gz/gc, is Increased in the direction of flow Not constant along a streamline Constant along a streamline None of these Increased in the direction of flow Not constant along a streamline Constant along a streamline None of these 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) μ² μ 1/μ 1/μ² μ² μ 1/μ 1/μ² ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS