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
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最新試題
If two A.C.generators are to be operated in parallel, the load is distributed evenly by()
Diesel engine air start system check valves are opened by ()
To shut down a diesel engine after it exceeds the set maximum speed,which type of device listed should be used?()
Which of the following items don’t belong to dock repair works?()
()are used to digest the sewage to produce innocuous sludge in a biological sewage treatment plant.
Using a file without a handle may result in ()
A purge recovery system is used in a centrifugal air conditioning or refrigeration system to ()
The condensers located in various stages of a flash evaporator are cooled by()
If separating effect is not good, which measure should be taken ()
During the diesel engine running, the water level of F.W expansion tank should normally kept in the () level of glass tube.