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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

center of pressure
buoyancy
upthrust
all the above are correct

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

Total pressure of liquid flowing in a pipe
Velocity of flow at the required point in a pipe
Pressure difference between two points in a pipe
Discharge through a pipe

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

0.4
0.6
0.8
0.5

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Hydraulics and Fluid Mechanics in ME
Newton's law of viscosity is a relationship between

Pressure, velocity and temperature
Shear stress and velocity
Rate of shear strain and temperature
Shear stress and rate of shear strain

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Hydraulics and Fluid Mechanics in ME
The sheet of water flowing over a notch or a weir is known as

None of these
Nappe or vein
Orifice
Sill or crest

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Hydraulics and Fluid Mechanics in ME
The velocity of the liquid flowing through the divergent portion of a Venturimeter

Increases
Remains constant
Depends upon mass of liquid
Decreases

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