Water flow rate in a pipe of 3.5 metres diameter can be most economically and conveniently measured by a/an ________________?
Correct answer: A. Pitot tube
- A. Pitot tube
- B. Venturimeter
- C. Orificemeter
- D. Rotameter
Explanation
A Pitot tube is especially convenient for large-diameter pipes because it requires only a small probe and measures local velocity without installing a large obstruction. Venturimeters are accurate but expensive and require substantial installation space.
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