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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. The saving in case of a double acting reciprocating pump is

0.392
0.884
0.848
0.488

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Hydraulics and Fluid Mechanics in ME
Units of surface tension are

distance
it has no units
both of the above
energy/unit area

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Hydraulics and Fluid Mechanics in ME
The stability of a dam is checked for

Sliding of the wall or dam
All of these
Tension at the base
Overturning of the wall or dam

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Hydraulics and Fluid Mechanics in ME
Reynold's number is the ratio of inertia force to

Gravity force
Pressure force
Viscous force
Elastic force

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Hydraulics and Fluid Mechanics in ME
The Bernoulli's equation is based on the assumption that

No force except gravity acts on the fluid
The velocity of flow is uniform across any cross-section of the pipe
All of these
There is no loss of energy of the liquid flowing

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Hydraulics and Fluid Mechanics in ME
For 450 m head of water, _________ shall be used.

Francis turbine
None of these
Pelton wheel
Kaplan turbine

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