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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
A structure used to dam up a stream or river over which the water flows is called

Notch
Weir
Orifice
Dam

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Hydraulics and Fluid Mechanics in ME
Dynamic similarity is said to exist between the model and the prototype, if both of them

Are equal in size and shape
None of these
Are identical in shape, but differ only in size
Have identical velocities

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Hydraulics and Fluid Mechanics in ME
In a depressed nappe

The pressure above the nappe is negative
The pressure below the nappe is atmospheric
The pressure above the nappe is atmospheric
The pressure below the nappe is negative

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Hydraulics and Fluid Mechanics in ME
In a centrifugal pump, the regulating valve is provided on the

Impeller
Suction pipe
Delivery pipe
Casing

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Hydraulics and Fluid Mechanics in ME
The value of coefficient of discharge is __________ the value of coefficient of velocity.

None of these
Same as
More than
Less than

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Hydraulics and Fluid Mechanics in ME
The maximum efficiency of transmission through a pipe is

0.6667
0.567
0.7666
0.5

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