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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
Pitot tube is used for measurement of

dsscharge
flow
velocity
pressure

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Hydraulics and Fluid Mechanics in ME
Which of the following is an example of laminar flow?

Flow of oil in measuring instruments
Flow past tiny bodies
Underground flow
All of these

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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

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

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Hydraulics and Fluid Mechanics in ME
An average value of coefficient of velocity is

0.62
0.97
0.76
0.84

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Hydraulics and Fluid Mechanics in ME
The motion of air mass in a tornado is a

free vortex motion
free vortex at center and forced vortex outside
forced vortex at center and free vortex outside
forced vortex motion

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Hydraulics and Fluid Mechanics in ME
Kinematic viscosity is equal to

1/dynamicviscosity x density
dynamicviscosity x density
dynamic viscosity/density
density/dynamic viscosity

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