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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The capillary rise at 20°C in a clean glass tube of 1 mm bore containing water is approximately

10 mm
20 mm
5 mm
30 mm

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

Francis turbine
Propeller turbine
Impulse turbine
Any one of the above

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Hydraulics and Fluid Mechanics in ME
When a tank containing liquid moves with an acceleration in the horizontal direction, then the free surface of the liquid

Falls on the back end
Becomes curved
Remains horizontal
Falls on the front end

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Hydraulics and Fluid Mechanics in ME
The bulk modulus of elasticity

is independent of pressure and viscosity
has the dimensions of 1/pressure
increases with pressure
is large when fluid is more compressible

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Hydraulics and Fluid Mechanics in ME
Metacentre is the point of intersection of

mid point between e.g. and center of buoyancy
vertical upward force through e.g. of body and center line of body
All of these
buoyant force and the center line of body

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Hydraulics and Fluid Mechanics in ME
Coefficient of discharge for a totally submerged orifice as compared to that for an orifice discharging free is

nearly half
equal
slightly less
slightly more

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