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Constellation Energy Group
www.constellation.com Baltimore, MD 5000+ Employees
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Interview Question for Instrument & Control Technician at Constellation Energy Group:
Dec 2, 2011

if you have a pump in a run of piping a dp pressure readouts coming off the piping, one 3 floors above, one in line with the pump, and one 3 levels below, which is most accurate? Will the one above read higher, lower, or the same? What about the one below?


Tags: detectors, pumps, fluid flow
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Dec 2, 2011

by Interview Candidate:

most accurate: the one in line
one above: lower because you are using the pump head to get the water to the detector and gravity is working against you.
one below: higher because the weight of the water on top of the detector.
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