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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
Gauge pressure at a point is equal to the absolute pressure ___ the atmospheric pressure.

Divide
Minus
Plus
Multiply

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Hydraulics and Fluid Mechanics in ME
The flow in which the particles of a fluid attain such velocities that vary from point to point in magnitude and direction as well as from instant to instant, is known as

turbulent flow
steady flow
one dimensional flow
uniform flow

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

Volume
Pressure
Shape
Flow

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Hydraulics and Fluid Mechanics in ME
The ratio of the inertia force to the __________ is called Euler's number.

Viscous force
Pressure force
Elastic force
Surface tension force

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Hydraulics and Fluid Mechanics in ME
According to Chezy's formula, the discharge through an open channel is (where A = Area of flow, C = Chezy's constant, m = Hydraulic mean depth, and i = Uniform slope in bed)

AC × √(m × i)
A × √(m × i)
C × √(m × i)
mi × √(A × C)

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Hydraulics and Fluid Mechanics in ME
Principle of similitude forms the basis of

comparing similarity between design and actual equipment
designing models so that the result can be converted to prototypes
hydraulic designs
comparing two identical equipments

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