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Borda’s mouthpiece is

Borda’s mouthpiece is Correct Answer a short cylindrical tube projecting inward, having length of ½ diameter

Borda's mouthpiece is a short cylindrical tube projecting inward. The edge of the tube must be relatively thin and sharp to ensure perfect contraction, and its length, about ½ diameter, such that the jet will not touch the sides of the tube.

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Related Questions

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)
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