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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
By fitting an air vessel to the reciprocating pump, there is always a saving of work done and subsequently saving of power. This saving in case of a single acting reciprocating pump is

0.488
0.884
0.392
0.848

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Hydraulics and Fluid Mechanics in ME
A flow whose streamline is represented by a straight line, is called __________ dimensional flow.

Two
Three
Four
One

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Hydraulics and Fluid Mechanics in ME
The magnitude of water hammer depends upon the

Speed at which the valve is closed
All of these
Elastic properties of the liquid flowing through the pipe
Elastic properties of the pipe material

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Hydraulics and Fluid Mechanics in ME
The depth of the center of pressure on a vertical rectangular gate 8 m wide and 6 m high, when the water surface coincides with the top of the gate, is

3.0 m
2.4 m
2.5 m
4.0 m

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Hydraulics and Fluid Mechanics in ME
In a short cylindrical external mouthpiece, the vena contracta occurs at a distance __________ the diameter of the orifice from the outlet of orifice.

Equal to
One-third
One-half
One-fourth

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Hydraulics and Fluid Mechanics in ME
Bernoulli equation deals with the law of conservation of

momentum
mass
work
energy

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