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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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
A.15；inlet value
B.15；inlet and outlet value
C.30；inlet value
D.30；inlet and outlet value
A.filled with bilge water
B.filled with oil
C.filled with clean water
D.be emptied
A.the sensor of low oil level is fully covered by sludge
B.the coarse strainer before the pump in suction system is clogged
C.the screw pump is worn seriously and volumetric efficiency is decreased
D.bilge suction value is clogged
A.the filter is clogged
B.bilge suction value is clogged
C.suction value and discharge value of the pump do not open fully
D.screw pump is worn seriously and volumetric efficiency is decreased
最新試題
The shipboard oil pollution emergency plan will be invalid after （）
The condensers located in various stages of a flash evaporator are cooled by（）
The Port State Control officer may witness a fire drill carried out by the crew assigned to these duties on the（）
One of the reasons that cause oil flowed from sludge outlet of a self-cleaning separator is（）
A purge recovery system is used in a centrifugal air conditioning or refrigeration system to （）
（）are used to digest the sewage to produce innocuous sludge in a biological sewage treatment plant.
When does auxiliary burner of incinerator put into operation? （）Ⅰ. start incinerator when it is coldⅡ. the sludge for dealing with is littleⅢ. the sludge for dealing with is largeⅣ. the water and impurity in sludge are too muchⅤ. the temperature in incinerator is lowⅥ. dealing with little solid rubbish
Under MARPOL Code the ship to which it applies has to carry （）
Refrigerant entering the compressor of a refrigeration system should be in which of the following conditions?（）
The additional mark （）in the Classification Certificate for Machinery means propulsion apparatus is remotely controlled on the navigating bridge control station, and engine assembly control station is unmanned periodically.