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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The continuity equation is connected with

Conservation of mass
Open channel/pipe flow
Steady/unsteady flow
Compressibility of fluids

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Hydraulics and Fluid Mechanics in ME
Resultant pressure of the liquid in the case of an immersed body acts through

Centre of gravity
Metacentre
Centre of pressure
Centre of buoyancy

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Hydraulics and Fluid Mechanics in ME
Dynamic similarity is said to exist between the model and the prototype, if both of them

Are identical in shape, but differ only in size
None of these
Have identical velocities
Are equal in size and shape

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Hydraulics and Fluid Mechanics in ME
A point, in a compressible flow where the velocity of fluid is zero, is called

None of the listed here
Vena contracta
Critical point
Stagnation point

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Hydraulics and Fluid Mechanics in ME
A piece weighing 3 kg in air was found to weigh 2.5 kg when submerged in water. Its specific gravity is

1
6
7
5

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Hydraulics and Fluid Mechanics in ME
Which of the following is used to measure the discharge ?

pitot tube
venturimeter
hotwire anemometer
current meter

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