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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.

Double
1.8 times
1.2 times
Equal to

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Hydraulics and Fluid Mechanics in ME
A pressure of 25 m of head of water is equal to

2.5 kN/m2
245 kN/m2
2500 kN/m2
25 kN/m2

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Hydraulics and Fluid Mechanics in ME
Metacentre is the point of intersection of

buoyant force and the center line of body
vertical upward force through e.g. of body and center line of body
All of these
mid point between e.g. and center of buoyancy

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Hydraulics and Fluid Mechanics in ME
When the water level on the downstream side of a weir is above the top surface of a weir, the weir is known as

Broad-crested weir
Ogee weir
Narrow-crested weir
Submerged weir

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Hydraulics and Fluid Mechanics in ME
Principle of similitude forms the basis of

designing models so that the result can be converted to prototypes
comparing similarity between design and actual equipment
hydraulic designs
comparing two identical equipments

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

Pressure force
Gravity force
Surface tension force
Elastic force

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