A.unbalanced rudders
B.balanced rudders
C.contraguide rudders
D.straight rudders
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A.abandon ship
B.dismissal from fire and emergency stations
C.fire and emergency
D.man overboard
A.flame safety lamp
B.combustible gas indicator
C.gasometer
D.oxygen indicator
A.class A
B.class B
C.class C
D.class D
A.class A
B.class B
C.class C
D.class D
A.Chemical agent removal
B.Mechanical removal
C.Absorbent removal
D.None of the above
最新試題
Which of the following items don’t belong to dock repair works?（）
“Insufficiency of manning or insufficiency of certification of seafarers” is an identification of a（）
（）connectors hold best if a wire is accidentally pulled or a connection becomes loose.
The flash point of a residual fuel oil should be used to determine the highest temperature to which oil may be heated（）
Flame failure in an automatically fired auxiliary boiler can from a/an （）
（）are used to digest the sewage to produce innocuous sludge in a biological sewage treatment plant.
Cold weather starting of a diesel engine may be made easier by（）
If separating effect is not good, which measure should be taken （）
Which of the diesel engine components listed increase air density and helps to improve engine operating efficiency?（）
To shut down a diesel engine after it exceeds the set maximum speed，which type of device listed should be used?（）