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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
In a broad-crested weir, the discharge is maximum if the head of water on the downstream side of weir is __________ the head of water on the upstream side of weir.

Two-third
Equal to
One-third
Three-fourth

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Hydraulics and Fluid Mechanics in ME
The depth of center of pressure of an immersed surface, inclined at an angle 'θ' with the liquid surface lies at a distance equal to __________ the center of gravity.

IG sinθ/Ax̅ above
IG sin²θ/Ax̅ above
IG sin²θ/Ax̅ below
IG sinθ/Ax̅ below

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Hydraulics and Fluid Mechanics in ME
In a forced vortex, the velocity of flow everywhere within the fluid is

maximum
minimum
zero
non-zero finite

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Hydraulics and Fluid Mechanics in ME
Size of a venturimeter is specified by

both pipe diameter as well as throat diameter
throat diameter
pipe diameter
angle of diverging section

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Hydraulics and Fluid Mechanics in ME
When the flow in an open channel is gradually varied, the flow is said to be

Steady non-uniform flow
Unsteady non-uniform flow
Steady uniform flow
Unsteady uniform flow

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Hydraulics and Fluid Mechanics in ME
The discharge through a channel of rectangular section will be maximum, if

Its breadth is thrice the depth
Its depth is thrice the breadth
Its breadth is twice the depth
Its depth is twice the breadth

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