A.100%
B.110%
C.85%
D.different
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A.the sinking of tail shaft
B.the clearance of stern bearing
C.the total flexure of shaft
D.main engine crankshaft deflection
A.Voyage repairs
B.Routine docking
C.Damage repairs
D.Conversion
A.engine logbook
B.delivery docket
C.store booklet
D.maintenance book
The purpose of treating the cooling water of the diesel engine is to（）
Ⅰ. resist the scale formation in the cooling chamber
Ⅱ.lubricate the engine part
Ⅲ.increase thermal capacity
Ⅳ.resist corrosion
A.Ⅰ+Ⅱ
B.Ⅱ+Ⅲ
C.Ⅲ+Ⅳ
D.Ⅰ+Ⅳ
A.disengaging the clutch firstly, then stopping the main engine
B.stopping the main engine firstly, then disengaging the clutch
C.stopping the cooling water pump firstly, then stopping the main engine
D.stopping the main engine and disengaging the clutch at the same time
最新試題
Refrigerant entering the compressor of a refrigeration system should be in which of the following conditions?（）
Thermostatic steam pressure reducing valves are used in the fuel oil service system to control the（）
The shipboard oil pollution emergency plan will be invalid after （）
One of the reasons that cause oil flowed from sludge outlet of a self-cleaning separator is（）
（）are used to digest the sewage to produce innocuous sludge in a biological sewage treatment plant.
Which of the diesel engine components listed increase air density and helps to improve engine operating efficiency?（）
Using a file without a handle may result in （）
As soon as a diesel engine has started, which of the listed engine operating parameters should be checked FIRST?（）
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.
Under MARPOL Code the ship to which it applies has to carry （）