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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The discharge through a siphon spillway is

Cd × a × √(2g) × H2
Cd × a × √(2g) × H3/2
Cd × a × √(2gH)
Cd × a × √(2g) × H5/2

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Hydraulics and Fluid Mechanics in ME
A pipe of length more than double the diameter of orifice fitted externally or internally to the orifice is called a

Notch
Weir
Nozzle
Mouthpiece

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Hydraulics and Fluid Mechanics in ME
Specific speed for reaction turbines ranges from

0 to 4.5
10 to 100
80 to 200
250 to 300

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Hydraulics and Fluid Mechanics in ME
Head developed by a centrifugal pump depends on

Both (A) and (B) above
Speed
Fluid density
Impeller diameter

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Hydraulics and Fluid Mechanics in ME
The shear stress between the two liquid layers is __________ proportional to the distance between two layers.

Inversely
Directly
None of these
Both A and B

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Hydraulics and Fluid Mechanics in ME
The ratio of quantity of liquid discharged per second from the pump to the quantity of liquid passing per second through the impeller is known as

Manometric efficiency
Mechanical efficiency
Overall efficiency
Volumetric efficiency

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