Refer to the drawing of a water storage tank with a differential pressure (D/P) level detection system (see figure below).

Tank water level indication will be lower than actual level when reference leg temperature is __________ than calibration conditions; or when there is a break in the __________ leg of the D/P detector.
A. less; reference
B. less; variable
C. greater; reference
D. greater; variable
Show Answer
Answer: B
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