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Fluid Mechanics

Fluid Mechanics
__________ is an example of axial flow impeller.

Turbine
Paddle
Propeller
All of these

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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
0.044
4.4
0.44

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Fluid Mechanics
Boundary layer separation occurs when the

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

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Fluid Mechanics
For pipes that must be broken at intervals for maintenance, the connector used should be a/an

Reducer
Union
Tee
Elbow

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Fluid Mechanics
In deriving Bernoulli's equation, fluid is assumed to be

Incompressible, frictionless, steady, along a streamline
None of these
Steady, density being pressure dependent, frictionless
Uniform, steady, incompressible, along a streamline

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Fluid Mechanics
The equivalent diameter for flow through a rectangular duct of width B and height H is

HB/2(H + B)
2HB/(H + B)
4HB/(H + B)
HB/(H + B)

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MORE MCQ ON Fluid Mechanics

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