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Fluid Mechanics

Fluid Mechanics
A fluid is pumped at the rate of 10 lb/sec to a height of 55 ft. The horse power required is __________ hp.

20363
1
20090
5.5

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Fluid Mechanics
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.

Dilatent
Pseudoplastic
Newtonion
Bingham plastic

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Fluid Mechanics
Boundary layer separation occurs when the

Cross-section of the channel is reduced
Valve is closed in a pipeline
Pressure reaches a minimum
Velocity of sound is reached

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Fluid Mechanics
In which type of fluid flow, the velocity of flow of fluid changes from point to point in the fluid at any instant?

Unsteady
Turbulent
Non-uniform
Rotational

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Fluid Mechanics
Pressure gradient in the pipe flow is influenced by the

Diameter of pipe
Density & viscosity of the fluid
Velocity of the fluid
All of these

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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
d2/3
d4/5
d1/3

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