Refer to the drawing of a water storage tank with a differential pressure (D/P) level detection system (see figure below).
The water storage tank is 40 feet tall.
The level detection system is calibrated to provide a level indication of 30 feet when the tank and reference leg levels are equal.
If the tank is completely filled with water, the tank level will indicate…
A. less than 30 feet.
B. 30 feet.
C. greater than 30 feet, but less than 40 feet.
D. 40 feet.
Show Answer
Answer: B
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