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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The imaginary line drawn in the fluid in such a way that the tangent to any point gives the direction of motion at that point, is known as

Path line
Potential line
Stream line
Steak line

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

Shape
Pressure
Flow
Volume

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Hydraulics and Fluid Mechanics in ME
A valve is suddenly closed in a water main in wl.ich the velocity is 1 m/sec and velocity of pressure wave is 981 m/ sec. The inertia head at the valve will be

1 m
100m
None of these
10m

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Hydraulics and Fluid Mechanics in ME
Equation of continuity is based on the principle of conservation of

mass
energy
None of these
momentum

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Hydraulics and Fluid Mechanics in ME
Multistage centrifugal pumps are used to

Give high discharge
Pump viscous fluids
Produce high heads
All 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

one dimensional flow
steady flow
uniform f^w
turbulent flow

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