A.high-pressure steam-driven air-ejector
B.motor-driven vacuum pump
C.water-motivated air eductor
D.centrifuge pump
您可能感興趣的試卷
你可能感興趣的試題
A.condenser
B.flashing device
C.lashing device
D.vacuum pump
A.lower condensing
B.higher cooling
C.lower cooling
D.higher condensing
A.the oil feeding is stopped and replaced by admitting flushing water
B.the flushing water feeding is stopped and replaced by admitting oil
C.the feeding of dirty oil and flushing water is stopped
D.the feeding of dirty oil and flushing water is admitted
A.by opening the separator manually
B.by separating the lower part from the upper part automatically
C.by separating the upper part from the lower part automatically
D.continuously
A.a centrifuge
B.an electric motor
C.a bowl assembly
D.a driving motor
最新試題
The shipboard oil pollution emergency plan will be invalid after ()
The cetane rating of diesel fuel is an indication of the ()
For a given exhaust gas boiler, what is the quantity of its evaporation mainly determined?()
One of the reasons that cause oil flowed from sludge outlet of a self-cleaning separator is()
The ISPS Code consists of a mandatory section-Part A, which shows()
()connectors hold best if a wire is accidentally pulled or a connection becomes loose.
Engine parameters shall be corresponded to NOx Technical Files. This is required by ()
The flash point of a residual fuel oil should be used to determine the highest temperature to which oil may be heated()
By comparing the exhaust gas temperature of each cylinder, the operator can determine if the load is balanced throughout the engine. The device most commonly used is a()
Refrigerant entering the compressor of a refrigeration system should be in which of the following conditions?()