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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
A pipe of length more than double the diameter of orifice fitted externally or internally to the orifice is called a

Mouthpiece
Weir
Nozzle
Notch

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Hydraulics and Fluid Mechanics in ME
The discharge through a channel of circular section will be maximum when the depth of water is __________ the diameter of the circular channel.

0.34 times
0.81 times
0.95 times
0.67 times

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Hydraulics and Fluid Mechanics in ME
Metacentre is the point of intersection of

vertical upward force through e.g. of body and center line of body
buoyant force and the center line of body
All of these
mid point between e.g. and center of buoyancy

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Hydraulics and Fluid Mechanics in ME
One poise is equal to

1 N-s/m2
100 N-s/m2
0.1 N-s/m2
10 N-s/m2

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Hydraulics and Fluid Mechanics in ME
Bernoulli equation deals with the law of conservation of

mass
energy
work
momentum

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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.

Equal to
One-third
Three-fourth
Two-third

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