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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
To avoid an interruption in the flow of a siphon, an air vessel is provided

At the outlet
At the summit
At any point between inlet and outlet
At the inlet

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

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Hydraulics and Fluid Mechanics in ME
The hydraulic mean depth for a circular pipe of diameter (d) is

d/4
d/2
d/6
d

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Hydraulics and Fluid Mechanics in ME
Units of surface tension are

it has no units
energy/unit area
distance
both of the above

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Hydraulics and Fluid Mechanics in ME
The rise or depression of liquid in a tube due to surface tension wim increase in size of tube will

decrease
increase
remain unaffected
may increase or decrease depending on the characteristics of liquid

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Hydraulics and Fluid Mechanics in ME
The velocity at which the laminar flow stops, is known as

Lower critical velocity
None of these
Higher critical velocity
Velocity of approach

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MORE MCQ ON Hydraulics and Fluid Mechanics in ME

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