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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
When the Venturimeter is inclined, then for a given flow it will show __________ reading.

None of these
Same
More
Less

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Hydraulics and Fluid Mechanics in ME
If the dynamic viscosity of a fluid is 0.5 poise and specific gravity is 0.5, then the kinematic viscosity of that fluid in stokes is

0.25
1
None of these
0.5

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Hydraulics and Fluid Mechanics in ME
Alcohol is used in manometers because

It is clearly visible
It has low vapour pressure
It can provide longer column due to low density
It has low surface tension

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Hydraulics and Fluid Mechanics in ME
The buoyancy depends on

mass of liquid displaced
viscosity of the liquid
pressure of the liquid displaced
depth of immersion

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Hydraulics and Fluid Mechanics in ME
The discharge over a right angled notch is (where H = Height of liquid above the apex of notch)

(8/15) Cd. 2g. H
(8/15) Cd. 2g. H²
(8/15) Cd. 2g. H3/2
(8/15) Cd. 2g. H5/2

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Hydraulics and Fluid Mechanics in ME
General energy equation holds for

laminar flow
steady flow
turbulent flow
non-uniform flow

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