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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
Total pressure on a lmxlm gate immersed vertically at a depth of 2 m below the free water surface will be

4000 kg
8000 kg
2000 kg
1000 kg

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Hydraulics and Fluid Mechanics in ME
For a body floating in a liquid the normal pressure exerted by the liquid acts at

all points on the surface of the body
metacentre
e.g. of the body
bottom surface of the body

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Hydraulics and Fluid Mechanics in ME
The ratio of actual work available at the turbine to the energy imparted to the wheel is known as ________ efficiency.

Overall
None of these
Mechanical
Hydraulic

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Hydraulics and Fluid Mechanics in ME
The maximum thickness of boundary layer in a pipe of radius r is

r
2r
r/2

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Hydraulics and Fluid Mechanics in ME
Liquids transmit pressure equally in all the directions. This is according to

Newton's formula
Archimedes principle
Pascal's law
Boyle's law

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Hydraulics and Fluid Mechanics in ME
All the terms of energy in Bernoulli’s equation have dimension of

work
energy
mass
length

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