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.	lectromagnetic pump
B.	entrifugal pump
C.	eciprocating pump
D.	ear pump
Answer» D. ear 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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