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Hydraulics and Fluid Mechanics in ME

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

Ideal fluid
Non-Newtonian fluid
Newtonian fluid
Real fluid

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Hydraulics and Fluid Mechanics in ME
The centre of pressure acts __________ the centre of gravity of immersed surface.

Above
None of these
Below
At

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Hydraulics and Fluid Mechanics in ME
Coefficient of velocity of venturimeter

is independent of Reynolds number
None of these
decreases with higher Reynolds number
is equal to the coefficient of discharge of venturimeter

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

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

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Hydraulics and Fluid Mechanics in ME
The flow in a pipe is turbulent when Reynold number is

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

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Hydraulics and Fluid Mechanics in ME
An odd shaped body weighing 7.5 kg and occupying 0.01 m3 volume will be completely submerged in a fluid having specific gravity of

0.75
1
0.8
1.2

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