Refer to the drawing of a water storage tank with a differential pressure (D/P) level detection system. The water storage tank is 40 feet tall ___

Refer to the drawing of a water storage tank with a differential pressure (D/P) level detection system (see figure below).

Water Storage Tank-PG-51

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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