Refer to the drawing of a horizontal pipe elbow (top view) in an operating water system (see figure below).

Three separate bellows differential pressure flow detectors are connected to taps A, B, C, and D as follows:

Assume that water is incompressible and there is no head loss in this section of pipe.
How will the detectors be affected if system flow rate remains the same while system pressure increases from 1000 psig to 1200 psig?
A. All detectors will indicate higher flow.
B. Only two detectors will indicate higher flow.
C. Only one detector will indicate higher flow.
D. Detector indication will not change.
Show Answer
Answer:D
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