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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The centre of pressure for a vertically immersed surface lies at a distance equal to __________ the centre of gravity.

Ax̅ / IG above
Ax̅ / IG below
IG / Ax̅ above
IG / Ax̅ below

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

At the canter
At the bottom
At the top
From sides

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Hydraulics and Fluid Mechanics in ME
The force exerted (in Newton) by a jet of water impinging normally on a fixed plate is (where w = Specific weight of water in N/m3, a = Cross-sectional area of jet in m², and V = Velocity of jet in m/s)

waV² / 2g
waV / 2g
waV / g
waV² / g

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

h2
h2
V/T
head of water (h)

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

Orifice meter
Pitot tube
Venturimeter
All of the listed here

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Hydraulics and Fluid Mechanics in ME
If the depth of water in an open channel is less than the critical depth, the flow is called

Critical flow
Turbulent flow
Torrential flow
Tranquil flow

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