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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The Francis formula for the discharge over Cipoletti weir is

1.84 LH1/2
1.84 LH5/2
1.84 LH
1.84 LH3/2

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Hydraulics and Fluid Mechanics in ME
The resultant upward pressure of a fluid on a floating body is equal to the weight of the fluid displaced by the body. This definition is according to

Equilibrium of a floating body
Archimedes’ principle
Bernoulli’s theorem
Buoyancy

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Hydraulics and Fluid Mechanics in ME
The pressure of a liquid measured with the help of a Piezometer tube is

Vacuum pressure
Absolute pressure
Atmospheric pressure
Gauge pressure

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Hydraulics and Fluid Mechanics in ME
A venturi-flume is used to measure

Pressure difference between two points in a pipe
Pressure difference between two points in a channel
Pressure of liquid
Discharge of liquid

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Hydraulics and Fluid Mechanics in ME
When a body is immersed wholly or partially in a liquid, it is lifted up by a force equal to the weight of liquid displaced by the body. This statement is called

Pascal’s law
Principle of flotation
Bernoulli’s theorem
Archimedes’s principle

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Hydraulics and Fluid Mechanics in ME
Air vessels in reciprocating pump are used to

Increase pump efficiency
Reduce acceleration to minimum
Save pump from cavitations
Smoothen flow

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