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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
Bernoulli's equation is applied to

Orifice meter
Venturimeter
All of the listed here
Pitot tube

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Hydraulics and Fluid Mechanics in ME
In a short cylindrical external mouthpiece, the vena contracta occurs at a distance __________ the diameter of the orifice from the outlet of orifice.

One-fourth
One-half
One-third
Equal to

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Hydraulics and Fluid Mechanics in ME
For very high discharge at low pressure such as for flood control and irrigation applications, following type of pump is preferred

Reciprocating
Mixed flow
Centrifugal
Axial flow

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Hydraulics and Fluid Mechanics in ME
The optimum value of vane exit angle for a centrifugal pump impeller is

30-40°
50-60°
20-25°
10-15°

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Hydraulics and Fluid Mechanics in ME
The discharge of a depressed nappe is 6 to 7 percent __________ that of a free nappe.

None of these
Less than
Equal to
More than

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Hydraulics and Fluid Mechanics in ME
The length of the divergent cone in a Venturimeter is __________ that of the convergent cone.

Equal to
Five to six times
Double
Three to four times

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