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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The flow in which each liquid particle has a definite path and their paths do not cross each other is called

uniform flow
streamline flow
turbulent flow
one dimensional flow

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Hydraulics and Fluid Mechanics in ME
The pressure at a point in a fluid will not be same in all the directions when the fluid is

inviscous and moving
viscous and moving.
viscous
moving

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Hydraulics and Fluid Mechanics in ME
In an immersed body, centre of pressure is

Below be centre of gravity
Above the centre of gravity
At the centre of gravity
Could be above or below e.g. depending on density of body and liquid

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Hydraulics and Fluid Mechanics in ME
A fluid of kinematic viscosity 0.4 cm²/sec flows through a 8 cm diameter pipe. The maximum velocity for laminar flow will be

2 m/sec
1.5 m/sec
1 m/sec
less than 1 m/sec

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Hydraulics and Fluid Mechanics in ME
The product of mass and acceleration of flowing liquid is called

Pressure force
Inertia force
Viscous force
Gravity force

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Hydraulics and Fluid Mechanics in ME
A submerged body is said to be in a stable equilibrium, if its centre of gravity __________ the centre of buoyancy.

Lies above
None of these
Coincides with
Lies below

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