Refer to the drawing of a reactor vessel (RV) differential pressure (D/P) level detection system (see figure below).
What is the reason for the reference leg being connected to the RV instead of being connected to a water source independent of the RV?
A. To provide a vent path to prevent collapse of the reference leg during a rapid RV depressurization
B. To remove the need for density compensation of the level signal by keeping the reference leg at the same temperature as the variable leg
C. To make the indicated level proportional to the square root of the D/P pressure between the reference and variable legs for all reactor pressures
D. To provide compensation for the RV pressure exerted on the variable leg
Show Answer
Answer:D
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