Which one of the following will cause indicated liquid flow rate to be higher than actual flow rate when using a differential pressure (D/P) flow detector with a calibrated orifice ___

Which one of the following will cause indicated liquid flow rate to be higher than actual flow rate when using a differential pressure (D/P) flow detector with a calibrated orifice?

A. System pressure decreases.
B. The detector diaphragm ruptures.
C. Debris becomes lodged in the orifice.
D. The pressure surrounding the D/P detector housing decreases.

Show Answer

Answer:C

Share your understanding of this question with the correct explanation.