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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The point in the immersed body through which the resultant pressure of the liquid may be taken to act is known as

metacentre
center of pressure
center of buoyancy
center of gravity

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Hydraulics and Fluid Mechanics in ME
The maximum efficiency of transmission through a pipe is

0.7666
0.5
0.567
0.6667

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Hydraulics and Fluid Mechanics in ME
The specific weight of water is 1000 kg/m3

At mean sea level
All of the listed here
At normal pressure of 760 mm
At 4°C temperature

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Hydraulics and Fluid Mechanics in ME
The flow in which conditions do not change with time at any point, is known as

one dimensional flow
steady flow
uniform flow
turbulent flow

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Hydraulics and Fluid Mechanics in ME
If the velocity is zero over half of the cross-sectional area and is uniform over the remaining half, then the momentum correction factor is

2
4
1
43924

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Hydraulics and Fluid Mechanics in ME
Multistage centrifugal pumps are used to

Produce high heads
All of these
Give high discharge
Pump viscous fluids

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