Hydraulics and Fluid Mechanics in ME
The type of centrifugal pump preferred for a specific speed of 20 r.p.m. is

High speed pump with axial flow at outlet
High speed pump with radial flow at outlet
Slow speed pump with radial flow at outlet
Medium speed pump with radial flow at outlet

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Hydraulics and Fluid Mechanics in ME
An orifice is said to be large, if

The available head of liquid is less than 5 times the height of orifice
The velocity of flow is large
The available head of liquid is more than 5 times the height of orifice
The size of orifice is large

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