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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The value of bulk modulus of a fluid is required to determine

Froude's number
Reynold's number
Mach number
Euler's number

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Hydraulics and Fluid Mechanics in ME
The center of gravity of the volume of the liquid displaced by an immersed body is called

metacentre
center of gravity
center of pressure
center of buoyancy

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Hydraulics and Fluid Mechanics in ME
In a footstep bearing, if the speed of the shaft is doubled, then the torque required to overcome the viscous resistance will be

Eight times
Four times
Double
Sixteen times

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Hydraulics and Fluid Mechanics in ME
The specific speed (Ns) of a centrifugal pump is given by

(N√Q)/H5/4
(N√Q)/H3/4
(N√Q)/H
(N√Q)/H2/3

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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

8000 kg
4000 kg
2000 kg
1000 kg

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Hydraulics and Fluid Mechanics in ME
Which of the following is dimensionless?

Specific speed
Specific gravity
Specific weight
Specific volume

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