Refer to the drawing of a water storage tank with a differential pressure (D/P) level detector (see figure below).
The associated level instrument was calibrated with the water storage tank at 100°F.
If mass in the tank remains constant and the water temperature increases to 120°F, the indicated level will…
A. remain the same although actual level increases.
B. increase but remain less than actual level.
C. decrease in direct proportion to the temperature rise.
D. increase in direct proportion to the temperature rise.
Show Answer
Answer: A
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