Which of the following is the most common pump for pumping either raw

1.	Which of the following is the most common pump for pumping either raw sewage or sludge?%!
A.	Electromagnetic pump
B.	Centrifugal pump
C.	Reciprocating pump
D.	Gear pump
Answer» D. Gear pump

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Which of the following is the most common pump for pumping either raw sewage or sludge?%!

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