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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The buoyancy depends on

depth of immersion
mass of liquid displaced
pressure of the liquid displaced
viscosity of the liquid

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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
0.5
0.8

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Hydraulics and Fluid Mechanics in ME
When a cylindrical vessel, containing some liquid, is rotated about its vertical axis, the liquid surface is depressed down at the axis of its rotation and rises up near the walls of the vessel on all sides. This type of flow is known as

Steady flow
Vortex flow
Turbulent flow
Uniform flow

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Hydraulics and Fluid Mechanics in ME
Fluid is a substance which offers no resistance to change of

Shape
Pressure
Volume
Flow

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Hydraulics and Fluid Mechanics in ME
The unit of kinematic viscosity in S. I. units is

N-m
N-s/m2
N-m/s
m2/s

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Hydraulics and Fluid Mechanics in ME
An ideal flow of any fluid must satisfy

boundary layer theory
Pascal law
Newton’s law of viscosity
continuity equation

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