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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The unit of viscosity is

Meters² per sec
Newton-sec per meter²
Newton-sec per meter
kg-sec/meter

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Hydraulics and Fluid Mechanics in ME
A jet of water discharging from a 40 mm diameter orifice has a diameter of 32 mm at its vena contracta. The coefficient of contraction is

0.87
0.78
0.46
0.64

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Hydraulics and Fluid Mechanics in ME
An impulse turbine is used for

High head of water
Low head of water
High discharge
Medium head of water

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Hydraulics and Fluid Mechanics in ME
When the water level on the downstream side of a weir is above the top surface of a weir, the weir is known as

Ogee weir
Narrow-crested weir
Broad-crested weir
Submerged weir

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Hydraulics and Fluid Mechanics in ME
In a free vortex motion, the radial component of velocity everywhere is

minimum
non-zero and finite
zero
maximum

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Hydraulics and Fluid Mechanics in ME
An ideal flow of any fluid must fulfill the following

Continuity equation
Newton’s law of motion
Newton’s law of viscosity
Pascal’ law

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