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Hydraulics and Fluid Mechanics in ME

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

More than
Same as
None of these
Less than

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Hydraulics and Fluid Mechanics in ME
The power transmitted through the nozzle is maximum when the head lost due to friction in the pipe is __________ of the total supply head.

One-half
One-third
None of these
Two-third

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Hydraulics and Fluid Mechanics in ME
The Francis formula for the discharge over Cipoletti weir is

1.84 LH1/2
1.84 LH5/2
1.84 LH3/2
1.84 LH

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Hydraulics and Fluid Mechanics in ME
In a centrifugal pump casing, the flow of water leaving the

Vortex
Radial
Axial
Centrifugal

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Hydraulics and Fluid Mechanics in ME
In a free nappe,

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

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Hydraulics and Fluid Mechanics in ME
Indicator diagram of a reciprocating pump is a graph between

Flow vs. speed
Pressure in cylinder vs. swept volume
Pressure vs. speed
Flow vs. swept volume

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