A.back of the vessel
B.the middle portion of a ship
C.a backward movement of a vessel
D.across the ship, at right angles to the fore-and-aft centerline
您可能感興趣的試卷
你可能感興趣的試題
A.One-hour notice
B.Dead slow ahead
C.Finished with engines
D.Half astern
A.dangerous
B.best
C.bad
D.important
A.Any leaks in piping, propeller shaft, machinery, tanks, will have to be repaired on the spot
B.Any leaks in piping, propeller shaft, machinery, tanks, will have to be repaired on the next port of call
C.Any leaks in piping, propeller shaft, machinery, tanks, will have to be repaired until the next stop
D.Any leaks in piping, propeller shaft, machinery, tanks, will have to be at least patched up
A.In times of heavy weather, it is extremely dangerous if a seaman is not enough tall
B.In times of heavy weather, it is extremely dangerous if a crew is very short
C.In case of bad weather, it is particularly dangerous if there is a shortage in personnel
D.In case of bad weather, it is particularly dangerous if there are enough personnel
A.should not be carried out during the watches
B.can only be carried out in port
C.is a kind of maintenances carried out prior to the occurrence
D.is a kind of maintenances carried out after the occurrence
最新試題
Engine parameters shall be corresponded to NOx Technical Files. This is required by ()
To shut down a diesel engine after it exceeds the set maximum speed,which type of device listed should be used?()
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.
Which of the diesel engine components listed increase air density and helps to improve engine operating efficiency?()
The treatment of the fuel oils involves storage, heating, filtering and()
A purge recovery system is used in a centrifugal air conditioning or refrigeration system to ()
The flash point of a residual fuel oil should be used to determine the highest temperature to which oil may be heated()
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.
For a given exhaust gas boiler, what is the quantity of its evaporation mainly determined?()