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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
A weir is said to be broad crested weir, if the width of the crest of the weir is ________ half the height of water above the weir crest.

Less than
None of these
More than
Equal to

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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

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

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Hydraulics and Fluid Mechanics in ME
The runaway speed of a hydraulic turbine is the speed

At full load
At which there will be no damage to the runner
At which the turbine will run freely without load
Corresponding to maximum overload permissible

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Hydraulics and Fluid Mechanics in ME
For starting an axial flow pump, its delivery valve should be

Closed
Open
Could be either open or closed
Depends on starting condition and flow desired

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Hydraulics and Fluid Mechanics in ME
An ideal flow of any fluid must satisfy

Pascal law
Newton’s law of viscosity
continuity equation
boundary layer theory

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Hydraulics and Fluid Mechanics in ME
When the Venturimeter is inclined, then for a given flow it will show __________ reading.

More
Same
Less
None of these

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