Fluid Mechanics Steady uniform flow is represented by flow through a/an Long pipe at constant rate None of these Long pipe at decreasing rate Expanding tube at constant rate Long pipe at constant rate None of these Long pipe at decreasing rate Expanding tube at constant rate ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The velocity profile exhibited by laminar flow of Newtonion fluids is such that the velocity distribution w.r.t. radius of the circular pipe is a/an __________ with the apex at the centre line of the pipe. Hyperbola Semi-ellipse Semi-circle Parabola Hyperbola Semi-ellipse Semi-circle Parabola ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The Prandtl mixing length is Zero at the pipe wall and is a universal constant Useful for computing laminar flow problems Independent of radial distance from the pipe axis Independent of the shear stress Zero at the pipe wall and is a universal constant Useful for computing laminar flow problems Independent of radial distance from the pipe axis Independent of the shear stress ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Schedule number of a pipe, which is a measure of its wall thickness, is given by 10000 P'/S 100 P'/S 1000 S/P' 1000 P'/S 10000 P'/S 100 P'/S 1000 S/P' 1000 P'/S ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The terminal velocity of a small sphere settling in a viscous fluid varies as the 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 Square of the difference in specific weights of solid & fluid Inverse of the fluid viscosity 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. 4πg/3 0.04πgH/3 0.01πgH/4 0.01πgH/8 4πg/3 0.04πgH/3 0.01πgH/4 0.01πgH/8 ANSWER DOWNLOAD EXAMIANS APP
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