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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The power transmitted through a pipe is (where w = Specific weight in N/m3, and Q = Discharge in m3/s)

w × Q × hf
w × Q × H
w × Q (H + hf)
w × Q (H - hf)

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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
comparing two identical equipments
hydraulic designs

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Hydraulics and Fluid Mechanics in ME
Bernoulli's equation is applied to

All of the listed here
Venturimeter
Orifice meter
Pitot tube

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Hydraulics and Fluid Mechanics in ME
In a free nappe,

The pressure below the nappe is atmospheric
The pressure above the nappe is atmospheric
The pressure above the nappe is negative
The pressure below the nappe is negative

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

Plus
Divide
Multiply
Minus

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Hydraulics and Fluid Mechanics in ME
The specific speed from 160 to 500 r.p.m. of a centrifugal pump indicates that the pump is

High speed with axial flow at outlet
High speed with radial flow at outlet
Medium speed with radial flow at outlet
Slow speed with radial flow at outlet

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