Fluid Mechanics The hydrodynamic and thermal boundary layers will merge, when Schmidt number tends to infinity Prandtl number is one Nusselt number tends to infinity Archimedes number is greater than 10000 Schmidt number tends to infinity Prandtl number is one Nusselt number tends to infinity Archimedes number is greater than 10000 ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The speed of sound in an ideal gas varies as the None of these Density Temperature Pressure None of these Density Temperature Pressure ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Pressure drag does not depend upon the Length of the body in flow direction Pressure of main flow only Roughness of surface of the body All of these Length of the body in flow direction Pressure of main flow only Roughness of surface of the body All of these ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics What is the force required (in Newtons) to hold a spherical balloon stationary in water at a depth of H from the air-water iterface? The balloon is of radius 0.1 m and is filled with air. 0.04πgH/3 4πg/3 0.01πgH/8 0.01πgH/4 0.04πgH/3 4πg/3 0.01πgH/8 0.01πgH/4 ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics A 2" gate valve fitted in a pipe is replaced by a similar globe valve. Pressure drop in gate valve was Δp. For the same discharge, the pressure drop across globe valve is Δp² > Δp < Δp Δp Δp² > Δp < Δp Δp ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The normal stress is the same in all directions at a point in a fluid, when the fluid is Both A and B Non-viscous Incompressible Having no motion of one fluid layer relative to the other Both A and B Non-viscous Incompressible Having no motion of one fluid layer relative to the other ANSWER DOWNLOAD EXAMIANS APP
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