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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
A vertical wall is subjected to a pressure due to one kind of liquid, on one of its sides. The total pressure on the wall acts at a distance __________ from the liquid surface.

2H/3
H/3
H/2
3H/4

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

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

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Hydraulics and Fluid Mechanics in ME
Head developed by a centrifugal pump depends on

Impeller diameter
Speed
Both (A) and (B) above
Fluid density

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Hydraulics and Fluid Mechanics in ME
A valve is suddenly closed in a water main in wl.ich the velocity is 1 m/sec and velocity of pressure wave is 981 m/ sec. The inertia head at the valve will be

None of these
100m
10m
1 m

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Hydraulics and Fluid Mechanics in ME
Axial flow pump is started with its delivery valve

Irrespective of any position
Kept fully open
Kept fully closed
Kept 50% open

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Hydraulics and Fluid Mechanics in ME
The Bernoulli's equation is based on the assumption that

There is no loss of energy of the liquid flowing
The velocity of flow is uniform across any cross-section of the pipe
No force except gravity acts on the fluid
All of these

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