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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
In order that flow takes place between two points in a pipeline, the differential pressure between these points must be more than

All of these
surface friction
viscosity
frictional force

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Hydraulics and Fluid Mechanics in ME
The value of bulk modulus of a fluid is required to determine

Reynold's number
Mach number
Euler's number
Froude's number

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

Turbulent flow
Torrential flow
Critical flow
Tranquil flow

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Hydraulics and Fluid Mechanics in ME
Low specific speed of turbine implies it is

Propeller turbine
Impulse turbine
Any one of the above
Francis turbine

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Hydraulics and Fluid Mechanics in ME
A valve is suddenly closed in a water main in wl.ich the velocity is 1 m/sec and velocity of pressure wave is 981 m/ sec. The inertia head at the valve will be

100m
1 m
None of these
10m

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Hydraulics and Fluid Mechanics in ME
A submerged body is said to be in a stable equilibrium, if its centre of gravity __________ the centre of buoyancy.

Lies above
Coincides with
Lies below
None of these

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