Hydraulics and Fluid Mechanics in ME
The specific speed of a turbine is the speed of an imaginary turbine, identical with the given turbine, which

Develops unit power under unit head
Delivers unit discharge under unit head
Delivers unit discharge under unit speed
Develops unit power under unit speed

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Hydraulics and Fluid Mechanics in ME
A right circular cylinder open at the top is filled with liquid and rotated about its vertical axis at such a speed that half the liquid spills out, then the pressure intensity at the center of bottom is

one-fourth its value when cylinder was full
one-half its value when cylinder was full
zero
cannot be predicted from the given data

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Hydraulics and Fluid Mechanics in ME
When a cylindrical vessel containing liquid is revolved about its vertical axis at a constant angular velocity, the pressure

Increases linearly as its radial distance
Varies as the square of the radial distance
Increases as the square of the radial distance
Decreases as the square of the radial distance

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