A.avoid false alarms as a result of condensing water vapor
B.avoid danger of frost under very cold weather
C.reduce the viscosity of the crankcase atmosphere in order to improve the fluidity
D.keep the temperature of the oil mist detectors in an appropriate range
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A.The oil mist detectors
B.The smoke detectors
C.An oily water monitor
D.Oil discharge monitoring and controlling system
A.detract
B.extract
C.pump up
D.pump down
A.How they finished
B.How did they finished
C.That how they finished
D.That how did they finished
A.6%
B.8%
C.10%
D.12%
A.Class A
B.Class B
C.Class C
D.Class D
最新試題
Under MARPOL Code the ship to which it applies has to carry （）
Diesel engine air start system check valves are opened by （）
（）connectors hold best if a wire is accidentally pulled or a connection becomes loose.
Which of the diesel engine components listed increase air density and helps to improve engine operating efficiency?（）
For a given exhaust gas boiler, what is the quantity of its evaporation mainly determined?（）
If separating effect is not good, which measure should be taken （）
Which of the following items don’t belong to dock repair works?（）
As soon as a diesel engine has started, which of the listed engine operating parameters should be checked FIRST?（）
During the diesel engine running, the water level of F.W expansion tank should normally kept in the （） level of glass tube.
（） is not installed on the main switchboar.