Hydraulics & Fluid Mechanics
According to Bernoulli’s equation for steady ideal fluid flow

total energy is constant throughout
the energy is constant along a stream-line but may vary across streamlines
velocity and pressure are inversely proportional
principle of conservation of mass holds

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Hydraulics & Fluid Mechanics
Select the correct statement

A barometer reads the difference be-tween local and standard atmospheric pressure
Local atmospheric pressure depends upon elevation of locality only
Standard atmospheric pressure is the mean local atmospheric pressure a* sea level
Local atmospheric pressure is always below standard atmospheric pressure

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