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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The specific weight of sea water is __________ that of pure water.

None of these
More than
Less than
Same as

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Hydraulics and Fluid Mechanics in ME
A centrifugal pump will start delivering liquid only when the pressure rise in the impeller is equal to the

Velocity head
Kinetic head
Manometric head
Static head

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Hydraulics and Fluid Mechanics in ME
The force exerted by a jet of water impinging normally on a plate which due to the impact of jet, moves in the direction of jet with a velocity v is

[wa (V - v)²]/2g
[wa (V - v)]/2g
[wa (V - v)]/g
[wa (V - v²)]/g

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Hydraulics and Fluid Mechanics in ME
The velocity of the liquid flowing through the divergent portion of a Venturimeter

Increases
Depends upon mass of liquid
Decreases
Remains constant

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Hydraulics and Fluid Mechanics in ME
The specific gravity of an oil whose specific weight is 7.85 kN/m3, is

1
1.6
1.2
0.8

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Hydraulics and Fluid Mechanics in ME
Low specific speed of a pump implies it is

None of these
Mixed flow pump
Axial flow pump
Centrifugal pump

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