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Fluid Mechanics

Fluid Mechanics
The Mach number for hypersonic flow of compressible fluid is

> 4
> 1
< 2
1

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Fluid Mechanics
Velocity at a certain point in case of streamline flow is

Neither A nor B
Constant
Both A & B
Independent of time

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Fluid Mechanics
In case of supersonic flow of a fluid through pipeline, the 'Mach number' is

1
> 1
< 1

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Fluid Mechanics
While starting an axial flow pump, its delivery valve should be kept

None of these
Open
Either open or closed
Closed

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

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

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

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MORE MCQ ON Fluid Mechanics

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