A、A.mixed with clean oil
B、B.purified
C、C.heated
D、D.strained
更多“Dirty oil must be （） before being used again.”相关的问题
A、Air must be admitted；without B、Oil must be injected；without C、Air must be admitted；with D、Oil must be injected；with
A、must be centrifuged B、must by filtered C、must be changed D、is holding finely dispersed carbon in suspension
A、lube oil pump suction line B、lube oil pump discharge line C、bottom of the lube oil sump D、outlet from the lube oil header
A、visual inspection of the elements B、the pressure drop across the filter C、high lube oil sump temperature D、decrease in oil viscosity from the filter
A、using a slightly dirty air filter B、using oil having an excessive viscosity C、intercooler or after-cooler leaks D、carrying the oil level higher than normal
A、Accidental discharge of oil B、Disposal of oil residues C、Quantity of water produced by FWG D、Discharge of dirty ballast or cleaning water from fuel oil tanks
A、a dirty lube oil strainer B、internal water leaks C、an oil suction line restriction D、excessive wears of the cooling water pump
A、Visual inspection of the element B、the pressure drop cross the filter C、high fuel oil tank temperature D、increase flow rate from the filter
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