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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The resultant upward pressure of the fluid on an immersed body is called

buoyancy
all the above are correct
upthrust
center of pressure

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Hydraulics and Fluid Mechanics in ME
By fitting an air vessel to the reciprocating pump, there is always a saving of work done and subsequently saving of power. This saving in case of a single acting reciprocating pump is

0.392
0.884
0.488
0.848

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Hydraulics and Fluid Mechanics in ME
The coefficient of discharge for an external mouthpiece is

0.855
0.707
0.5
0.375

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Hydraulics and Fluid Mechanics in ME
A manometer is used to measure

Pressure in Venturimeter
Pressure in pipes and channels
Atmospheric pressure
Difference of pressures between two points in a pipe

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Hydraulics and Fluid Mechanics in ME
The efficiency of jet propulsion for a ship with inlet orifices at right angles to the direction of motion of ship is given by

[2(Vr + v) v]/ Vr²
[2(Vr - v) v]/ Vr²
[(Vr - v) v]/ Vr
[(Vr + v) v]/ Vr

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Hydraulics and Fluid Mechanics in ME
Poise is the unit of

surface tension
viscosity
capillarity
shear stress in fluids

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