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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
Kinematic viscosity is equal to

density/dynamic viscosity
dynamic viscosity/density
dynamicviscosity x density
1/dynamicviscosity x density

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Hydraulics and Fluid Mechanics in ME
In a centrifugal pump, the regulating valve is provided on the

Delivery pipe
Impeller
Casing
Suction pipe

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Hydraulics and Fluid Mechanics in ME
An opening in the side of a tank or vessel such that the liquid surface with the tank is below the top edge of the opening, is called

None of these
Weir
Notch
Orifice

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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)

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

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Hydraulics and Fluid Mechanics in ME
Metacentric height for small values of angle of heel is the distance between the

centre of buoyancy and metacentre
free surface and centre of buoyancy
centre of gravity and centre of buoy-ancy
centre of gravity and metacentre

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Hydraulics and Fluid Mechanics in ME
The maximum discharge over a broad crested weir is

0.384 Cd × L × H1/2
1.71 Cd × L × H3/2
0.384 Cd × L × H3/2
1.71 Cd × L × H1/2

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