Flow rate is being measured using a differential pressure flow detector and a calibrated orifice.
If actual flow rate remains constant, which one of the following will cause indicated flow rate to be higher than actual flow rate?
A. The flow detector equalizing valve is inadvertently opened.
B. A leak develops in the high pressure sensing line.
C. Debris becomes lodged in the orifice.
D. The orifice erodes over time.
Show Answer
Answer:C
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