Fluid Mechanics The Prandtl mixing length is 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 Useful for computing laminar flow problems Independent of radial distance from the pipe axis Zero at the pipe wall and is a universal constant ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Scale up of agitator design requires Dynamic similarity only Both geometrical and dynamic similarity Geometrical similarity only All of these Dynamic similarity only Both geometrical and dynamic similarity Geometrical similarity only All of these ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Which of the following is the most common pump for pumping either raw sewage or sludge? Centrifugal pump Reciprocating pump Electromagnetic pump Gear pump Centrifugal pump Reciprocating pump Electromagnetic pump Gear pump ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics A double acting reciprocating pump compared to a single acting pump (of almost same size working under same pressure levels) would give almost double Discharge Head None of these Efficiency Discharge Head None of these Efficiency ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The terminal velocity of a solid spherical particle falling through a stationary fluid mass in the Stoke's law range is proportional to the Difference in the densities of the particle & fluid All of these Inverse of fluid viscosity Square of particle size Difference in the densities of the particle & fluid All of these Inverse of fluid viscosity Square of particle size ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Boundary layer thickness in laminar flow over a flat plate increases as(where, d = distance from the leading edge.) d1/3 d2 √d d2/3 d1/3 d2 √d d2/3 ANSWER DOWNLOAD EXAMIANS APP
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