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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The value of bulk modulus of a fluid is required to determine

Reynold's number
Euler's number
Froude's number
Mach number

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Hydraulics and Fluid Mechanics in ME
In an immersed body, centre of pressure is

Above the centre of gravity
Could be above or below e.g. depending on density of body and liquid
At the centre of gravity
Below be centre of gravity

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Hydraulics and Fluid Mechanics in ME
The celerity (velocity) of a pressure wave in a fluid is given by (where K = Bulk modulus, and ρ = Density of the fluid)

None of the listed here
ρ/K
K/ρ
K.ρ

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Hydraulics and Fluid Mechanics in ME
The pressure of the liquid flowing through the divergent portion of a Venturimeter

Increases
Decreases
Remains constant
Depends upon mass of liquid

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Hydraulics and Fluid Mechanics in ME
The ratio of specific weight of a liquid to the specific weight of pure water at a standard temperature is called

Density of liquid
Specific gravity of liquid
Compressibility of liquid
Surface tension of liquid

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

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

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