Fluid Mechanics The Prandtl mixing length is Independent of radial distance from the pipe axis Independent of the shear stress Useful for computing laminar flow problems Zero at the pipe wall and is a universal constant Independent of radial distance from the pipe axis Independent of the shear stress Useful for computing laminar flow problems Zero at the pipe wall and is a universal constant ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Design of the casing of centrifugal pump should be such as to minimise the Loss of static head Loss of kinetic head None of these Back flow through impeller Loss of static head Loss of kinetic head None of these Back flow through impeller ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics __________ is an example of axial flow impeller. Turbine Paddle Propeller All of these Turbine Paddle Propeller All of these ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics In power law, ζ = A (du/dy)² + B , then the fluid is Dilatant Newtonian Rheopectic Thixotropic Dilatant Newtonian Rheopectic Thixotropic ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Net positive suction head (NPSH) of a centrifugal pump must be Less than barometric pressure Equal to the vapour pressure of the liquid Less than the vapour pressure of the liquid Greater than the vapour pressure of the liquid Less than barometric pressure Equal to the vapour pressure of the liquid Less than the vapour pressure of the liquid Greater than the vapour pressure of the liquid ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Transition from laminar flow to turbulent flow is aided by the Vibration Surface roughness and curvature (i.e.sharp corners) All of these Pressure gradient and the compressibility of the flowing medium Vibration Surface roughness and curvature (i.e.sharp corners) All of these Pressure gradient and the compressibility of the flowing medium ANSWER DOWNLOAD EXAMIANS APP
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