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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The total energy line lies over the centre line of the pipe by an amount equal to

Velocity head
Pressure head - velocity head
Pressure head
Pressure head + velocity head

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

Divide
Multiply
Plus
Minus

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Hydraulics and Fluid Mechanics in ME
The product of mass and acceleration of flowing liquid is called

Viscous force
Gravity force
Inertia force
Pressure force

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Hydraulics and Fluid Mechanics in ME
The power transmitted through the pipe is maximum when the head lost due to friction is equal to

One-fourth of the total supply head
Two-third of the total supply head
One-third of the total supply head
One-half of the total supply head

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Hydraulics and Fluid Mechanics in ME
When a plate is immersed in a liquid parallel to the flow, it will be subjected to a pressure __________ that if the same plate is immersed perpendicular to the flow.

Equal to
More than
None of these
Less than

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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 × H
w × Q × hf

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