Refer to the drawing of a water storage tank with two differential pressure (D/P) level indicators (see figure below).
Indicator 1 was calibrated at 180°F and indicator 2 was calibrated at 120°F.
If tank water temperature is 150°F, then indicator…
A. 1 will read greater than indicator 2, and greater than actual water level.
B. 1 will read greater than indicator 2, and less than actual water level.
C. 2 will read greater than indicator 1, and greater than actual water level.
D. 2 will read greater than indicator 1, and less than actual water level.
Show Answer
Answer: A
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