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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The flow in a pipe is neither laminar nor turbulent when Reynold number is

None of these
Less than 2000
Between 2000 and 2800
More than 2800

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Hydraulics and Fluid Mechanics in ME
The flow in which conditions do not change with time at any point, is known as

turbulent flow
steady flow
uniform flow
one dimensional flow

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Hydraulics and Fluid Mechanics in ME
Euler's equation in the differential form for the motion of liquids is given by

ρ.dp - g.dz + v.dv = 0
dp/ρ - g.dz + v.dv = 0
ρ.dp + g.dz + v.dv = 0
dp/ρ + g.dz + v.dv = 0

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Hydraulics and Fluid Mechanics in ME
In axial flow fans and turbines, fluid enters and leaves as follows

Axially, axially
Axially, radially
Radially, axially
Radially, radially

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Hydraulics and Fluid Mechanics in ME
The intensity of pressure at any point, in a liquid, is __________ to the depth of liquid from the surface.

Inversely proportional
Equal
None of these
Directly proportional

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Hydraulics and Fluid Mechanics in ME
The pressure at the summit of a syphon is

None of these
more than atmospheric
equal to atmospheric
less than atmospheric

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