In a/an _____________, the flow rate of fluids is obtained by measuring the difference between the impact and the static pressure?
Correct answer: B. Pitot tube
- A. Rotameter
- B. Pitot tube
- C. Venturimeter
- D. Flow nozzle
Explanation
A Pitot tube measures stagnation or impact pressure and compares it with static pressure; their difference gives the velocity pressure used to calculate flow velocity and rate. A venturimeter and flow nozzle instead infer flow from a pressure drop between two fixed sections.
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