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Hydraulics and Fluid Mechanics in ME

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

Torrential flow
Critical flow
Tranquil flow
Turbulent flow

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Hydraulics and Fluid Mechanics in ME
A Francis turbine is used when the available head of water is

0 to 25 m
25 m to 250 m
Above 250 m
None of these

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Hydraulics and Fluid Mechanics in ME
The time oscillation of a floating body with increase in metacentric height will be

same
lower/higher depending on weight of body
lower
higher

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Hydraulics and Fluid Mechanics in ME
The pressure of liquid at throat in a Venturimeter is __________ than that at inlet.

Lower
None of these
Higher
Same

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

d
d/6
d/2
d/4

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Hydraulics and Fluid Mechanics in ME
The tendency of a liquid surface to contract is due to the following property

adhesion
cohesion
surface tension
viscosity

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