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

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Hydraulics and Fluid Mechanics in ME
Runaway speed of a hydraulic turbine is

Full load speed
The speed if the turbine runner is allowed to revolve freely without load and with the wicket gates wide open
The speed at which turbine runner will be damaged
The speed corresponding to maximum overload permissible

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Hydraulics and Fluid Mechanics in ME
In an outward flow reaction turbine

The flow of water is partly radial and partly axial
The water enters at the centre of the wheel and then flows towards the outer periphery of the wheel
The water flows parallel to the axis of the wheel
The water enters the wheel at the outer periphery and then flows towards the centre of the wheel

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