Related Questions

The ratio of the wall drag to the form drag in the Stoke's law range (for motion of spherical particles in a stationary fluid) is
A 0.5
B 1
C 2
D 0.33
In Newton's law range, the drag co-efficient for the motion of spherical particle in a stationary fluid is
A 0.44
B 0.044
C 4.4
D 44
For motion of spherical particles in a stationary fluid, the drag co-efficient in hindered settling compared to that in free settling is
A More
B Less
C Equal
D More or less, depending on the type of particle
In the Newton's law range, the terminal velocity of a solid spherical particle falling through a stationary fluid mass is __________ the fluid viscosity.
A Directly proportional to
B Inversely proportional to
C Inversely proportional to the square root of
D Independent of
In Newton's law range, the terminal velocity of a solid spherical particle falling through a stationary fluid mass varies as the __________ of its diameter.
A Inverse
B Square root
C Second power
D First power
The terminal velocity of a solid spherical particle falling through a stationary fluid mass in the Stoke's law range is proportional to the
A Inverse of fluid viscosity
B Square of particle size
C Difference in the densities of the particle & fluid
D All of the above
The ratio of wall drag to total drag in the Stoke's law range is
A 0.5
B 1
C $$\frac{1}{3}$$
D $$\frac{2}{3}$$
The fluid forces considered in the Navier Stokes equation are
A gravity, pressure and viscous
B gravity, pressure and turbulent
C pressure, viscous and turbulent
D gravity, viscous and turbulent
Navier-Stokes equation is useful in the analysis of __________ fluid flow problems.
A Non-viscous
B Viscous
C Turbulent
D Rotational
In a stationary fluid, how does the local pressure of the fluid vary?
A With depth
B In the horizontal direction only
C Both with depth and along horizontal direction
D Neither with depth nor along horizontal direction

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