A.the sinking of tail shaft
B.the clearance of stern bearing
C.the total flexure of shaft
D.main engine crankshaft deflection
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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
A.the master
B.the chief engineer
C.the bridge
D.the company superintendent
最新試題
The shipboard oil pollution emergency plan will be invalid after （）
Cold weather starting of a diesel engine may be made easier by（）
“Insufficiency of manning or insufficiency of certification of seafarers” is an identification of a（）
Which of the following items don’t belong to dock repair works?（）
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.
To proceed to the assistance of a ship in distress is（）
（）are used to digest the sewage to produce innocuous sludge in a biological sewage treatment plant.
If separating effect is not good, which measure should be taken （）
As soon as a diesel engine has started, which of the listed engine operating parameters should be checked FIRST?（）
The condensers located in various stages of a flash evaporator are cooled by（）