Refer to the drawing of a reactor vessel differential pressure (D/P) level detection system (see figure below).
The D/P detector was calibrated at the current conditions.
Which one of the following will cause the level instrument to indicate lower than actual level?
(Assume actual level remains the same.)
A. The variable leg ruptures.
B. The equalizing valve is opened.
C. The reference leg temperature increases.
D. The D/P detector diaphragm ruptures.
Show Answer
Answer: A
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