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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
A structure used to dam up a stream or river over which the water flows is called

Weir
Notch
Dam
Orifice

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Hydraulics and Fluid Mechanics in ME
The buoyancy depends upon the

Viscosity of the liquid
Weight of the liquid displaced
Compressibility of the liquid
Pressure with which the liquid is displaced

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Hydraulics and Fluid Mechanics in ME
The capillary rise at 20°C in a clean glass tube of 1 mm bore containing water is ap-proximately

30 mm
10 mm
20 mm
5 mm

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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

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

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Hydraulics and Fluid Mechanics in ME
The value of coefficient of velocity for a sharp edged orifice __________ with the head of water.

Decreases
Remain same
None of these
Increases

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Hydraulics and Fluid Mechanics in ME
Which of the following is an example of laminar flow?

Flow of oil in measuring instruments
All of these
Flow past tiny bodies
Underground flow

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