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Fluid Mechanics

Fluid Mechanics
In Newton's law range, the drag co-efficient for the motion of spherical particle in a stationary fluid is

0.44
44
0.044
4.4

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Fluid Mechanics
Potential flow is the flow of

Compressible fluids with no shear
Compressible fluids with shear
Incompressible fluids with shear
Incompressible fluids with no shear

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Fluid Mechanics
Unsteady non-uniform flow is represented by flow through a/an

Expanding tube at constant rate
Expanding tube at increasing rate
Long pipe at decreasing rate
Long pipe at constant rate

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Fluid Mechanics
Terminal velocity is

None of these
Attained after moving one-half of total distance
A fluctuating velocity
A constant velocity with no acceleration

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Fluid Mechanics
Schedule number of a pipe, which is a measure of its wall thickness, is given by

1000 P'/S
100 P'/S
10000 P'/S
1000 S/P'

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Fluid Mechanics
Capillary rise of mercury in a small diameter tube is proportional to (where, d = diameter of the tube, σ = surface tension of mercury)

1/d
D
Σ
L/σ

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MORE MCQ ON Fluid Mechanics

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