A motor-driven radial-flow centrifugal pump is used to provide makeup water to a vented storage tank that is 30 feet high.
The pump is located at the base of the tank.
The pump can be aligned to fill the tank via a top connection or a bottom connection using piping of equal lengths and diameters.
The tank is currently empty.
With tank filling underway, the pump motor will have the lowest power demand if the pump is using the __________ connection; and the tank will require the least amount of time to become completely full if the pump is using the __________ connection.
A. top; top
B. top; bottom
C. bottom; top
D. bottom; bottom
Show Answer
Answer: B
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