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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The body will sink down if the force of buoyancy is __________ the weight of the liquid displaced.

Equal to
Less than
None of these
More than

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Hydraulics and Fluid Mechanics in ME
If the depth of water in an open channel is less than the critical depth, the flow is called

Torrential flow
Turbulent flow
Critical flow
Tranquil flow

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Hydraulics and Fluid Mechanics in ME
The pressure at a point in a fluid will not be same in all the directions when the fluid is

viscous and moving.
moving
inviscous and moving
viscous

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Hydraulics and Fluid Mechanics in ME
Which of the following is not a reaction turbine?

Pelton wheel
Journal turbine
Fourneyron turbine
Thomson's turbine

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Hydraulics and Fluid Mechanics in ME
The hydraulic mean depth or the hydraulic radius is the ratio of

Velocity of flow and area of flow
Area of flow and wetted perimeter
Wetted perimeter and diameter of pipe
None of these

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Hydraulics and Fluid Mechanics in ME
The pressure intensity in kN/m2 (or kPa) at any point in a liquid is (where w = Specific weight of liquid, and h = Depth of liquid from the surface)

w
w/h
h/w
wh

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