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Which of the following statements concerning the arrangements of a potable water system is true?
A) Potable water pumps of the non-positive displacement type require a vacuum-priming system if located above the potable water storage tanks.
B) Potable water pumps of the positive displacement type require a vacuum-priming system if located above the potable water storage tanks.
C) Potable water pumps of the non-positive displacement type require a vacuum-priming system if located below the potable water storage tanks.
D) Potable water pumps of the positive displacement type require a vacuum-priming system if located below the potable water storage tanks.
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