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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The specific weight of sea water is __________ that of pure water.

None of these
Same as
Less than
More than

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Hydraulics and Fluid Mechanics in ME
Gradually varied flow is

steady non-uniform
non-steady non-uniform
steady uniform
non-steady uniform

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Hydraulics and Fluid Mechanics in ME
The value of coefficient of velocity for a sharp edged orifice __________ with the head of water.

Decreases
Increases
None of these
Remain same

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Hydraulics and Fluid Mechanics in ME
In a Kaplan turbine runner, the numbers of blades are generally between

2 to 4
8 to 16
4 to 8
16 to 24

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Hydraulics and Fluid Mechanics in ME
According to Manning's formula, the discharge through an open channel is (where M = Manning's constant)

A × M × m1/2 × i2/3
A1/2 × M2/3 × m × i
A × M × m2/3 × i1/2
A2/3 × M1/3 × m × i

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Hydraulics and Fluid Mechanics in ME
The product of mass and acceleration of flowing liquid is called

Pressure force
Gravity force
Viscous force
Inertia force

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