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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The value of friction factor ‘f’ for smooth pipes for Reynolds number 106 is approximately equal to

0.01
0.001
0.0001
0.1

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Hydraulics and Fluid Mechanics in ME
The magnitude of water hammer depends upon the

Elastic properties of the pipe material
Elastic properties of the liquid flowing through the pipe
All of these
Speed at which the valve is closed

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Hydraulics and Fluid Mechanics in ME
The value of mass density in kgsecVm4 for water at 0°C is

1000
100
1
101.9

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Hydraulics and Fluid Mechanics in ME
Which of the following is not a reaction turbine?

Pelton wheel
Thomson's turbine
Journal turbine
Fourneyron turbine

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Hydraulics and Fluid Mechanics in ME
If the weight of a body immersed in a fluid exceeds the buoyant force, then the body will

tend to move downward and it may finally sink
rise until its weight equals the buoyant force
float
None of these

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Hydraulics and Fluid Mechanics in ME
Two pipe systems can be said to be equivalent, when the following quantites are same

length and diameter
flow and length
friction factor and diameter
friction loss and flow

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