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 120°F.
If the mass in the tank remains constant and the water temperature decreases to 100°F, the indicated level will…
A. remain the same although actual level decreases.
B. remain the same although actual level increases.
C. increase in direct proportion to the temperature decrease.
D. decrease in direct proportion to the temperature decrease.
Show Answer
Answer: A
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