A magnetic flowmeter is_________________?
Correct answer: D. All A., B. and C.
- A. Based on the principle of Faraday's law
- B. Capable of measuring the flow rate of slurries and electrolytes
- C. Based on the linear relationship between the fluid flow rate and the induced voltage
- D. All A., B. and C.
Explanation
Magnetic flowmeters use Faraday's law, with induced voltage proportional to the conductive fluid velocity and hence flow rate. Because they have no obstruction and require electrical conductivity, they are suitable for electrolytes and many slurries.
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