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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
To avoid an interruption in the flow of a syphon, an air vessel is provided

at the outlet
at the summit
ay nay point between inlet and outlet
at the inlet

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Hydraulics and Fluid Mechanics in ME
For pipes, laminar flow occurs when Reynolds number is

More than 4000
Between 2000 and 4000
Less than 2000
Less than 4000

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Hydraulics and Fluid Mechanics in ME
The total pressure on the surface of a vertical sluice gate 2 m x 1 m with its top 2 m surface being 0.5 m below the water level will be

1500 kg
1000 kg
500 kg
2000 kg

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Hydraulics and Fluid Mechanics in ME
Ratio of inertia force to elastic force is known as

Froude number
Weber’s number
Mach number
Reynold’s number

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Hydraulics and Fluid Mechanics in ME
When the Mach number is between ___ the flow is called super-sonic flow.

2.5 and 4
1 and 6
4 and 6
1 and 2.5

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Hydraulics and Fluid Mechanics in ME
A metal with specific gravity of o floating in a fluid of same specific gravity a will

float over fluid
sink to bottom
partly immersed
be fully immersed with top surface at fluid surface

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