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Fluid Mechanics

Fluid Mechanics
For laminar flow of a shear thinning liquid in a pipe, if the volumetric flow rate is doubled, the pressure gradient will increase by a factor of

43832
>2
2

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Fluid Mechanics
Boundary layer thickness in turbulent flow over a flat plate increases as(where, d = distance from the leading edge.)

√d
d1/3
d2/3
d4/5

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Fluid Mechanics
Potential flow is the flow of

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

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

44
0.44
0.044
4.4

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Fluid Mechanics
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.

Pseudoplastic
Newtonion
Dilatant
Bingham plastic

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Fluid Mechanics
The head loss in turbulent flow in a pipe varies

Inversely as the velocity
As (velocity)²
As velocity
Inversely as the square of diameter

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