Refer to the drawing of a water storage tank with a differential pressure (D/P) level detector that was recently calibrated at a tank water temperature of 80°F (see figure below).
If the mass of the water in the tank remains the same while the tank water temperature is raised from 80°F to 150°F, the indicated level will…
A. remain equal to actual level.
B. increase, due to the expansion of the water.
C. remain the same.
D. decrease, due to the expansion of the water.
Show Answer
Answer: C
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