Flow rate of high velocity flue gas discharged through a stack to the atmosphere can be most conveniently measured by a _________________?
Correct answer: A. Pitot tube
- A. Pitot tube
- B. Manometer
- C. Rotameter
- D. None of these
Explanation
A Pitot tube is suitable for high-velocity gas streams because it measures the stagnation pressure and hence the local velocity from the pressure difference. Rotameters are generally used for lower flow rates and require a visible float.
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