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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
An impulse turbine is used for

High discharge
High head of water
Medium head of water
Low head of water

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Hydraulics and Fluid Mechanics in ME
In a depressed nappe

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

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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-half
One-fourth
One-third
Equal to

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Hydraulics and Fluid Mechanics in ME
The force present in a moving liquid is

All of these
Viscous force
Gravity force
Inertia force

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Hydraulics and Fluid Mechanics in ME
Multistage centrifugal pumps are used to obtain

High discharge
High head and high discharge
High head
Pumping of viscous fluids

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Hydraulics and Fluid Mechanics in ME
An internal mouthpiece is said to be running __________ if the length of the mouthpiece is more than three times the diameter of the orifice.

None of these
Partially
Full
Free

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