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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The center of gravity of the volume of the liquid displaced by an immersed body is called

metacentre
center of buoyancy
center of gravity
center of pressure

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Hydraulics and Fluid Mechanics in ME
The velocity of jet of water traveling out of opening in a tank filled with water is proportional to

h²
V/T
Head of water (h)
h/2

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Hydraulics and Fluid Mechanics in ME
Discharge of a centrifugal pump is (where N = Speed of the pump impeller)

Directly proportional to N
Inversely proportional to N²
Inversely proportional to N
Directly proportional to N²

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Hydraulics and Fluid Mechanics in ME
The most efficient section of a channel is

Trapezoidal
Triangular
Square
Rectangular

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Hydraulics and Fluid Mechanics in ME
A fluid having no viscosity is known as

Non-Newtonian fluid
Real fluid
Ideal fluid
Newtonian fluid

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Hydraulics and Fluid Mechanics in ME
The depth of the bucket for a Pelton wheel is generally _________ the diameter of jet.

1.2 times
Double
Equal to
1.8 times

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