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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
In order to increase sensitivity of U-tube manometer, one leg is usually inclined by angle 'θ'. Sensitivity of inclined tube to sensitivity of U-tube is equal to

1/Sinθ
1/Cosθ
Sinθ
Cos θ

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Hydraulics and Fluid Mechanics in ME
The pressure of fluid due to hammer blow is

Inversely proportional to (density)1/2 of fluid
Inversely proportional to density of fluid
Directly proportional to density of fluid
Directly proportional to (density)1/2 of fluid

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Hydraulics and Fluid Mechanics in ME
The bulk modulus of elasticity

increases with pressure
is independent of pressure and viscosity
is large when fluid is more compressible
has the dimensions of 1/pressure

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Hydraulics and Fluid Mechanics in ME
The total pressure force on a plane area is equal to the area multiplied by the intensity of pressure at the Centroid, if

The area is vertical
All of these
The area is horizontal
The area is inclined

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Hydraulics and Fluid Mechanics in ME
A pitot tube is used to measure the

Total pressure of liquid flowing in a pipe
Discharge through a pipe
Pressure difference between two points in a pipe
Velocity of flow at the required point in a pipe

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Hydraulics and Fluid Mechanics in ME
One horsepower is equal to

75 watts
735 watts
550 watts
102 watts

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