In an internal mouthpiece, the absolute pressure head at vena contracta is __________ the atmospheric pressure head by an amount equal to height of the liquid above the vena contracta.

  • ALess than
  • BMore than
  • CEqual to
  • DNone of these
Correct Answer : (A)

Less than

Hints :

According to Bernoulli's equation for steady ideal fluid flow


A Francis turbine is used when the available head of water is

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