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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
Falling drops of water become spheres due to the property of

adhesion
surface tension
cohesion
viscosity

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Hydraulics and Fluid Mechanics in ME
The velocity of jet of water travelling out of opening in a tank filled with water is proportional to

h2
V/T
h2
head of water (h)

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Hydraulics and Fluid Mechanics in ME
Coefficient of velocity of venturimeter

decreases with higher Reynolds number
is equal to the coefficient of discharge of venturimeter
is independent of Reynolds number
None of these

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Hydraulics and Fluid Mechanics in ME
The flow in which the velocity vector is identical in magnitude and direction at every point, for any given instant, is known as

uniform f^w
turbulent flow
steady flow
one dimensional flow

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

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

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Hydraulics and Fluid Mechanics in ME
Guide angle as per the aerofoil theory of Kaplan turbine blade design is defined as the angle between

Drag and resultant force
Lift and tangential force
Lift and drag
Lift and resultant force

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