Fluid Mechanics Bed pressure drop in an air fluidised bed of catalyst particles (ρp = 200 kg/m³, Dp = 0.05 cm) of 60 cm bed depth and bed porosity of 0.5 expressed in cm of water (manometer) is 30 60 90 45 30 60 90 45 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 Square of particle size Difference in the densities of the particle & fluid Inverse of fluid viscosity All of these Square of particle size Difference in the densities of the particle & fluid Inverse of fluid viscosity All of these ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Prandtl mixing length is Zero at the pipe wall None of these A universal constant Applicable to laminar flow problems Zero at the pipe wall None of these A universal constant Applicable to laminar flow problems ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Liquid delivery by centrifugal pump starts, only when the head developed by it is equal to the __________ head. Manometric Total Friction Static Manometric Total Friction Static ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The unit of dynamic viscosity in SI unit is m/N. sec N/m² kg/m . sec m² /sec m/N. sec N/m² kg/m . sec m² /sec ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The drag co-efficient for a bacterium moving in water at 1 mm/s, will be of the following order of magnitude (assume size of the bacterium to be 1 micron and kinematic viscosity of water to be 10⁻⁶m²/s). 24 0.24 0.44 24000 24 0.24 0.44 24000 ANSWER DOWNLOAD EXAMIANS APP