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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
Which of the following instrument can be used for measuring speed of a submarine moving in deep sea

Venturimeter
rotameter
pitot tube
hot wire anemometer

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Hydraulics and Fluid Mechanics in ME
If the coefficient of discharge is 0.6, then the discharge over a right angled notch is

7.141 H5/2
0.417 H5/2
1.417 H5/2
4.171 H5/2

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Hydraulics and Fluid Mechanics in ME
The vapour pressure over the concave surface is

zero
greater than the vapour pressure over the plane surface
equal to the vapour pressure over the plane surface
less man the vapour pressure over the plane surface

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Hydraulics and Fluid Mechanics in ME
Due to each end contraction, the discharge of rectangular sharp crested weir is reduced by

0.05
0.15
0.1
0.2

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Hydraulics and Fluid Mechanics in ME
The body will float if the force of buoyancy is ___ the weight of the liquid displaced.

None of the listed here
Equal to
More than
Less than

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Hydraulics and Fluid Mechanics in ME
Hydrometer is used to determine

specific gravity of gases
relative humidity
specific gravity of solids
specific gravity of liquids

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