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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The flow in a pipe is turbulent when Reynold number is

Between 2000 and 2800
More than 2800
None of these
Less than 2000

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Hydraulics and Fluid Mechanics in ME
Coefficient of discharge for a totally submerged orifice as compared to that for an orifice discharging free is

slightly less
equal
slightly more
nearly half

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Hydraulics and Fluid Mechanics in ME
All the terms of energy in Bernoulli’s equation have dimension of

energy
length
work
mass

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Hydraulics and Fluid Mechanics in ME
In a centrifugal pump, the liquid enters the pump

At the top
At the canter
At the bottom
From sides

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Hydraulics and Fluid Mechanics in ME
A pitot tube is used to measure the

Discharge through a pipe
Total pressure of liquid flowing in a pipe
Velocity of flow at the required point in a pipe
Pressure difference between two points in a pipe

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Hydraulics and Fluid Mechanics in ME
Reynold's number is the ratio of inertia force to

Pressure force
Gravity force
Elastic force
Viscous force

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