Fluid Mechanics The hydrodynamic and thermal boundary layers will merge, when Schmidt number tends to infinity Nusselt number tends to infinity Archimedes number is greater than 10000 Prandtl number is one Schmidt number tends to infinity Nusselt number tends to infinity Archimedes number is greater than 10000 Prandtl number is one ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics For turbulent fluid flow in pipe, the expression for Prandtl one seventh power law is (where, r = pipe radius, x = distance). V/Vmax = (x/r)1/7 V/Vmax = (x.r)1/7 None of these V/Vmax = (r/x)1/7 V/Vmax = (x/r)1/7 V/Vmax = (x.r)1/7 None of these V/Vmax = (r/x)1/7 ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The terminal velocity of a small sphere settling in a viscous fluid varies as the Square of the difference in specific weights of solid & fluid Inverse of the fluid viscosity First power of its dimeter Inverse square of the diameter Square of the difference in specific weights of solid & fluid Inverse of the fluid viscosity First power of its dimeter Inverse square of the diameter ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Vane anemometer Is an area meter Is a variable head meter None of these Rotates an element at a speed determined by the velocity of the fluid in which the meter is immersed Is an area meter Is a variable head meter None of these Rotates an element at a speed determined by the velocity of the fluid in which the meter is immersed ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Priming of a centrifugal pump is done to Develop effective pressure rise by the pump Increase the mass flow rate of fluid Avoid chances of separation inside the impeller None of these Develop effective pressure rise by the pump Increase the mass flow rate of fluid Avoid chances of separation inside the impeller None of these 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 Inverse of fluid viscosity All of these Difference in the densities of the particle & fluid Square of particle size Inverse of fluid viscosity All of these Difference in the densities of the particle & fluid Square of particle size ANSWER DOWNLOAD EXAMIANS APP
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