Hydraulics and Fluid Mechanics in ME
When a body is immersed wholly or partially in a liquid, it is lifted up by a force equal to the weight of liquid displaced by the body. This statement is called

Archimedes’s principle
Principle of flotation
Pascal’s law
Bernoulli’s theorem

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

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

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