Question 3029 of 223 · California Water Treatment Operator Exam
A transmitter ranges 0 to 100 gpm on a 4 to 20 mA signal. The signal reads 12 mA. What is the flow?
Exactly one answer is correct.
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Correct answer to question 3029
- A: 50 gpm
Explanation
Flow = (12 - 4) / 16 x 100 = 50 gpm. Using 12/20 gives 60 gpm, which ignores the 4 mA offset.
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