A vortex flowmeter works on the principle that the Strouhal number of 0.2 is a

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A vortex flowmeter works on the principle that the Strouhal number of 0.2 is a constant over a wide range of flow rates. If the bluff-body diameter in the flowmeter is 20 mm and the piezo-electric transducer registers the vortex shedding frequency to be 10 Hz, then the velocity of the flow would be measured as

Options:

A . 0.1 m/s

B . 1 m/s

C . 10 m/s

D . 100 m/s

Answer: Option B

-NA-

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