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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
Metacentric height is the distance between the metacentre and

water surface
center of pressure
center of buoyancy
center of gravity

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Hydraulics and Fluid Mechanics in ME
The hydraulic mean depth for a circular pipe of diameter (d) is

d/4
d/2
d
d/6

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Hydraulics and Fluid Mechanics in ME
The velocity corresponding to Reynold number of 2000 is called

Super-sonic velocity
Lower critical velocity
Higher critical velocity
Sub-sonic velocity

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Hydraulics and Fluid Mechanics in ME
Working principle of dead weight pressure gauge tester is based on

Dalton’s law of partial pressure
Pascal’s law
Avogadro’s hypothesis
Newton’s law of viscosity

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Hydraulics and Fluid Mechanics in ME
An internal mouthpiece is said to be running __________ if the length of the mouthpiece is more than three times the diameter of the orifice.

None of these
Partially
Free
Full

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Hydraulics and Fluid Mechanics in ME
The major loss of energy in long pipes is due to

sudden enlargement
gradual contraction or enlargement
friction
sudden contraction

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MORE MCQ ON Hydraulics and Fluid Mechanics in ME

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