单项选择题
If separating effect is not good, we can improve it by （）
A.flushing separator with hot water
B.increasing water supply flow
C.heat oily water properly
D.opening manual oil discharge value
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相关考题
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单项选择题
If found oil when we open low oil level plug of separator, it indicates （）
A.the separator is overload
B.the monitor equipment of separator fails
C.the discharge pump of separator can not work
D.the temperature of oil water is low -
单项选择题
After stopping oily water separator, sea water should be permitted for （） minutes,（）should be closed after stopping pump to reduce oxidation corrosion of inner wall.
A.15；inlet value
B.15；inlet and outlet value
C.30；inlet value
D.30；inlet and outlet value -
单项选择题
Before the oily water separator put into operation, it should be （）
A.filled with bilge water
B.filled with oil
C.filled with clean water
D.be emptied
