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Hydraulics and Fluid Mechanics in ME

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

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

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Hydraulics and Fluid Mechanics in ME
Water is a __________ fluid.

Newtonian
Real
Ideal
Non-Newtonian

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Hydraulics and Fluid Mechanics in ME
Size of a venturimeter is specified by

pipe diameter
both pipe diameter as well as throat diameter
throat diameter
angle of diverging section

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Hydraulics and Fluid Mechanics in ME
Capillary action is due to the

Surface tension
Cohesion of the liquid
Adhesion of the liquid molecules and the molecules on the surface of a solid
All of the listed here

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Hydraulics and Fluid Mechanics in ME
The theoretical velocity of jet at vena contracta is (where H = Head of water at vena contracta)

2g × √H
2gH
H × √(2g)
√(2gh)

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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

steady flow
one dimensional flow
uniform f^w
turbulent flow

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