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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
When a piping system is made up primarily of vertical lift and very little pipe friction, the pump characteristics should be

Steep
Horizontal
First rise and then fall
Nearly horizontal

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Hydraulics and Fluid Mechanics in ME
The loss of head at entrance in a pipe is (where v = Velocity of liquid in the pipe)

0.75v²/2g
0.375v²/2g
0.5v²/2g
v²/2g

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Hydraulics and Fluid Mechanics in ME
Which place in hydraulic turbine is most susceptible for cavitations?

Blade inlet
Guide blade
Inlet of draft rube
Penstock

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Hydraulics and Fluid Mechanics in ME
In a broad-crested weir, the discharge is maximum if the head of water on the downstream side of weir is __________ the head of water on the upstream side of weir.

Three-fourth
Two-third
Equal to
One-third

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Hydraulics and Fluid Mechanics in ME
Which of the following pump is successfully used for lifting water to the turbines?

Jet pump
Centrifugal pump
Reciprocating pump
Air lift pump

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Hydraulics and Fluid Mechanics in ME
When a cylindrical vessel containing liquid is resolved, the surface of the liquid takes the shape of

An ellipse
None of these
A triangle
A paraboloid

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