A、both as clarifiers
B、first one as clarifiers, second one as purifier
C、both as purifiers
D、first one as purifier, second one as clarifier
更多“When two oil separators are working in series, they should work with （）”相关的问题
A、filter to remove the fuel oil B、use the settler to remove the fuel oil C、remove the fuel oil by centrifuging D、drain and then renew the lube oil supply
A、cut off the power B、cut off the oil inlet C、open guide water valve D、close oil outlet value
A、when you enable Unified Failover B、when you create an ActiveN group C、when you synchronize the sticky table D、when you require synchronization of the 3G Cache objects
A、air from contacting the oil vapors B、permitting re-ignition boiling of the heated oil C、spontaneous combustion below the oil surface D、toxic fumes from escaping to the surface
A、Add the Domain Guests group from each of the four domains of Oil Importers to No Oil. B、Add the Other Organization group to No Oil. C、Add the Users group from each of the four domains of Oil Importers to No Oil. D、Add the Proxy group to No Oil.
A、A.more harmful to sea life than lighter oils B、B.easier to clean up than lighter refined oils C、C.less harmful to sea life than lighter oils D、D.not a real threat to marine life
A、Lubrication systems using engine driven lube oil pumps do not require any additional independent arrangement when such arrangements have been proven reliable B、The use of engine driven pre-lube pumps is permitted on vessels with propulsion systems developing less than 500 shaft horsepower C、When forced lubrication is used for propulsion engines, one independently driven stand-by pumps is to be provided in addition to the necessary pumps for normal operation D、Lubrication systems where two oil coolers are fitted require a minimum of two temperature control devices which may be actuated by similar sensors
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