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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The depth of the bucket for a Pelton wheel is generally _________ the diameter of jet.

1.2 times
Equal to
Double
1.8 times

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Hydraulics and Fluid Mechanics in ME
The Reynold's number of a ship is __________ to its velocity and length.

Directly proportional
Inversely proportional
None of these
Square root of velocity

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Hydraulics and Fluid Mechanics in ME
Kinematic viscosity is equal to

dynamic viscosity/density
dynamicviscosity x density
1/dynamicviscosity x density
density/dynamic viscosity

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Hydraulics and Fluid Mechanics in ME
The maximum number of jets, generally, employed in an impulse turbine without jet interference are

Two
Eight
Four
Six

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

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

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Hydraulics and Fluid Mechanics in ME
The pressure of liquid at throat in a Venturimeter is __________ than that at inlet.

None of these
Same
Lower
Higher

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