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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The velocity of jet of water traveling out of opening in a tank filled with water is proportional to

Head of water (h)
V/T
h²
h/2

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Hydraulics and Fluid Mechanics in ME
The celerity (velocity) of a pressure wave in a fluid is given by (where K = Bulk modulus, and ρ = Density of the fluid)

None of the listed here
K.ρ
ρ/K
K/ρ

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Hydraulics and Fluid Mechanics in ME
Two pipe systems can be said to be equivalent, when the following quantites are same

friction loss and flow
flow and length
length and diameter
friction factor and diameter

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Hydraulics and Fluid Mechanics in ME
The most economical section of a trapezoidal channel is one which has hydraulic mean depth equal to

1/2 × breadth
1/2 × sloping side
1/4 × (depth + breadth)
1/2 × depth

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Hydraulics and Fluid Mechanics in ME
In a centrifugal pump, the liquid enters the pump

At the bottom
From sides
At the top
At the canter

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Hydraulics and Fluid Mechanics in ME
The pressure at the summit of a syphon is

more than atmospheric
less than atmospheric
equal to atmospheric
None of these

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