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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
An average value of coefficient of velocity is

0.62
0.76
0.84
0.97

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Hydraulics and Fluid Mechanics in ME
The specific speed from 160 to 500 r.p.m. of a centrifugal pump indicates that the pump is

Medium speed with radial flow at outlet
High speed with radial flow at outlet
Slow speed with radial flow at outlet
High speed with axial flow at outlet

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Hydraulics and Fluid Mechanics in ME
A body floating in a liquid is said to be in neutral equilibrium, if its metacentre

Lies below its centre of gravity
Lies between the centre of buoyancy and centre of gravity
Lies above its centre of gravity
Coincides with its centre of gravity

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Hydraulics and Fluid Mechanics in ME
Center of pressure on an inclined plane is

Below the Centroid
At metacentre
At the Centroid
Above the Centroid

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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

2000 kg
500 kg
1000 kg
1500 kg

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Hydraulics and Fluid Mechanics in ME
The working of which of the following hydraulic units is based on Pascal's law?

Hydraulic press
Jet pump
Hydraulic coupling
Air lift pump

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