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Hydraulics and Fluid Mechanics in ME

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
43924
4
1

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Hydraulics and Fluid Mechanics in ME
Metacentric height is the distance between the metacentre and

center of gravity
center of pressure
water surface
center of buoyancy

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Hydraulics and Fluid Mechanics in ME
Total pressure on a lmxlm gate immersed vertically at a depth of 2 m below the free water surface will be

1000 kg
2000 kg
4000 kg
8000 kg

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Hydraulics and Fluid Mechanics in ME
In an isothermal atmosphere, the pressure

increases exponentially with elevation
remains constant
decreases linearly with elevation
varies in the same way as the density

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Hydraulics and Fluid Mechanics in ME
According to equation of continuity,

a1v1 = a2v2
w1a1 = w2a2
a1/v1 = a2/v2
w1v1 = w2v2

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Hydraulics and Fluid Mechanics in ME
The loss of head due to friction in a pipe of uniform diameter in which a viscous flow is taking place, is (where RN = Reynold number)

64/RN
4/RN
16/RN
1/RN

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