Hydraulics and Fluid Mechanics in ME
If a vessel containing liquid moves downward with a constant acceleration equal to ā€˜g’ then

the pressure in the liquid mass is greater than hydrostatic pressure
None of these
the pressure throughout the liquid mass is atmospheric
there will be vacuum in the liquid

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Hydraulics and Fluid Mechanics in ME
The hydraulic efficiency of an impulse turbine is the

Ratio of the work done on the wheel to the energy of the jet
Ratio of the actual work available at the turbine to the energy imparted to the wheel
None of these
Ratio of the actual power produced by the turbine to the energy actually supplied by the turbine

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