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

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Hydraulics and Fluid Mechanics in ME
The continuity equation is connected with

Open channel/pipe flow
Steady/unsteady flow
Conservation of mass
Compressibility of fluids

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Hydraulics and Fluid Mechanics in ME
An opening in the side of a tank or vessel such that the liquid surface with the tank is below the top edge of the opening, is called

Notch
None of these
Orifice
Weir

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Hydraulics and Fluid Mechanics in ME
The loss of pressure head in case of laminar flow is proportional to

Velocity
(Velocity)4
(Velocity)3
(Velocity)2

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Hydraulics and Fluid Mechanics in ME
If a pump is handling water and is discharging a certain flow Q at a constant total dynamic head requiring a definite B.H.P., the same pump when handling a liquid of specific gravity 0.75 and viscosity nearly same as of water would discharge

0.75 Q
Same quantity of liquid
1.5 Q
Q/0.75

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Hydraulics and Fluid Mechanics in ME
Maximum impulse will be developed in hydraulic ram when

Waste valve closes suddenly
Ram chamber is large
Supply pipe is short
Supply pipe is long

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