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What is the correct answer?


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)

A. 0.5 a. √2gH

B. 0.707 a. √2gH

C. 0.855 a. √2gH

D. a. √2gH

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