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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
Hydrometer is used to determine

specific gravity of liquids
specific gravity of solids
specific gravity of gases
relative humidity

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Hydraulics and Fluid Mechanics in ME
In an internal mouthpiece, if the jet after contraction does not touch the sides of the mouthpiece, then the mouthpiece is said to be

Running full
Partially running full
Partially running free
Running free

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Hydraulics and Fluid Mechanics in ME
The flow ratio in case of Francis turbine varies from

0.4 to 0.5
0.15 to 0.3
1 to 1.5
0.6 to 0.9

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Hydraulics and Fluid Mechanics in ME
Discharge of a centrifugal pump is (where N = Speed of the pump impeller)

Inversely proportional to N
Directly proportional to N²
Inversely proportional to N²
Directly proportional to N

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Hydraulics and Fluid Mechanics in ME
The discharge over a triangular notch is

Directly proportional to H3/2
Inversely proportional to H5/2
Directly proportional to H5/2
Inversely proportional to H3/2

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Hydraulics and Fluid Mechanics in ME
Bulk modulus of a fluid is the ratio of

Increase in pressure to the volumetric strain
Shear stress to shear strain
Critical velocity to the viscosity of fluid
Increase in volume to the viscosity of fluid

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MORE MCQ ON Hydraulics and Fluid Mechanics in ME

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