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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
If velocity is zero over l/3rd of a cross-section and is uniform over remaining 2/3rd of the cross-section, then the correction factor for kinetic energy is

27/8
43892
43924
44078

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Hydraulics and Fluid Mechanics in ME
To avoid an interruption in the flow of a syphon, an air vessel is provided

at the inlet
at the outlet
at the summit
ay nay point between inlet and outlet

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Hydraulics and Fluid Mechanics in ME
When a tube of smaller diameter is dipped in water, the water rises in the tube with an upward __________ surface.

Plane
None of these
Convex
Concave

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Hydraulics and Fluid Mechanics in ME
All the terms of energy in Bernoulli’s equation have dimension of

length
work
mass
energy

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Hydraulics and Fluid Mechanics in ME
The ratio of the normal force of jet of water on a plate inclined at an angle of 30° as compared to that when the plate is normal to jet, is

1
1/√2
43832
√2

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Hydraulics and Fluid Mechanics in ME
For laminar flow in circular pipes, the Darcy’s friction factor f is equal to

None of these
16/Re
64/ Re
32/ Re

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