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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
Metacentric height is the distance between the metacentre and

center of pressure
center of buoyancy
water surface
center of gravity

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

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

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Hydraulics and Fluid Mechanics in ME
Resultant pressure of the liquid in the case of an immersed body acts through

Centre of buoyancy
Metacentre
Centre of pressure
Centre of gravity

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Hydraulics and Fluid Mechanics in ME
In order to avoid tendency of separation at throat in a Venturimeter, the ratio of the diameter at throat to the diameter of pipe should be

1/4 to 1/3
1/16 to 1/8
1/3 to 1/2
1/8 to 1/4

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Hydraulics and Fluid Mechanics in ME
The specific gravity of an oil whose specific weight is 7.85 kN/m3, is

1.2
0.8
1
1.6

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Hydraulics and Fluid Mechanics in ME
The pitot tube is used to measure

stagnation pressure
velocity at stagnation point
static pressure
dynamic pressure

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