When an internal mouthpiece is running free, the discharge through the mouthpiece is (where a = Area of mouthpiece, and H = Height of liquid above the mouthpiece)

  • A0.5 a. √2gH
  • B0.707 a. √2gH
  • C0.855 a. √2gH
  • Da. √2gH
Correct Answer : (A)

0.5 a. √2gH

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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