Related Questions

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
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
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
The potential energy of a particle falling through a straight shaft drilled through the earth (assumed homogenous and spherical) is proportional to (where r is the distance of’the particle from centre of the earth)
A log r
B r
C r2
D $$\frac{1}{{\text{r}}}$$
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
Drag co-efficient for motion of spherical particles in a stationary fluid in the stoke's law range is
A $$\frac{{24}}{{{{\text{N}}_{{\text{Re,p}}}}}}$$
B $$\frac{{16}}{{{{\text{N}}_{{\text{Re,p}}}}}}$$
C $$\frac{{64}}{{{{\text{N}}_{{\text{Re,p}}}}}}$$
D $$\frac{{48}}{{{{\text{N}}_{{\text{Re,p}}}}}}$$
For a sphere falling in the constant drag co-efficient regime, its terminal velocity depends on its diameter (d) as
A d
B $$\sqrt {\text{d}} $$
C d2
D $$\frac{1}{{\text{d}}}$$
The fluid velocity varies as the square of the cylindrical pipe diameter, in case of steady state laminar flow at constant pressure drop, for __________ fluid.
A Newtonion
B Dilatant
C Pseudo-plastic
D Non-Newtonion
The fluid velocity varies as the square root of the cylindrical pipe diameter in case of steady state laminar flow at constant pressure drop fo __________ fluid.
A Dilatant
B Pseudo-plastic
C Bingham plastic
D Newtonion
The fluid velocity varies as the cube of the cylinderical pipe diameter in case of steady state laminar flow at constant pressure drop for __________ fluid.
A Newtonion
B Pseudoplastic
C Dilatent
D Bingham plastic

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