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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
A flow whose streamline is represented by a curve, is called

One-dimensional flow
Four-dimensional flow
Two-dimensional flow
Three-dimensional flow

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

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

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Hydraulics and Fluid Mechanics in ME
The ratio of the normal force of jet of water on a plate inclined at an angle of 30° as compared to that when the plate is normal to jet, is

1/√2
1
43832
√2

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Hydraulics and Fluid Mechanics in ME
Puck up the wrong statement about centrifugal pump

Power a speed⁴
Head a speed²
Discharge a diameter
Head a diameter

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Hydraulics and Fluid Mechanics in ME
In steady flow of a fluid, the total accele ration of any fluid particle

is never zero
is independent of coordinates
can be zero
is always zero

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

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