Permanent loss in a Venturimeter is about ___________ percent of the pressure drop in the upstream cone?
Correct answer: B. 10
- A. 1
- B. 10
- C. 40
- D. 70
Explanation
A Venturimeter recovers most of the pressure in its diffuser, so its permanent loss is small, commonly about 10% of the pressure drop in the upstream cone. The larger percentages represent excessive loss rather than normal Venturi performance.
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