Does it matter if one uses gauge instead of absolute pressures in applying Bernoulli’s equation? Explain.

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2 Answers

No

It does not matter if one uses gauge pressure instead of absolute pressure while applying Bernoulli’s equation. The two points where Bernoulli’s equation is applied should have significantly different atmospheric pressures.

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No, unless the atmospheric pressure at the two points where Bernoulli’s equation is applied are significantly different.

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