题目:
If the bowl of a disk type centrifugal purifier when operated as a separator is not primed, the()
A.oil has a tendency to emulsify in the bowl
B.purifier will act as a clarifier at the discharge ring
C.oil will be lost through the water discharge ports
D.oil solids will be deposited only at the intermediate top disk
答案:
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参考答案:A, C, D