A.unbalanced rudders
B.balanced rudders
C.contraguide rudders
D.straight rudders
您可能感興趣的試卷
你可能感興趣的試題
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 diesel engine components listed increase air density and helps to improve engine operating efficiency?（）
During the diesel engine running, the water level of F.W expansion tank should normally kept in the （） level of glass tube.
The Port State Control officer may witness a fire drill carried out by the crew assigned to these duties on the（）
“Insufficiency of manning or insufficiency of certification of seafarers” is an identification of a（）
The shipboard oil pollution emergency plan will be invalid after （）
The ISPS Code consists of a mandatory section-Part A, which shows（）
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.
When does auxiliary burner of incinerator put into operation? （）Ⅰ. start incinerator when it is coldⅡ. the sludge for dealing with is littleⅢ. the sludge for dealing with is largeⅣ. the water and impurity in sludge are too muchⅤ. the temperature in incinerator is lowⅥ. dealing with little solid rubbish
To shut down a diesel engine after it exceeds the set maximum speed，which type of device listed should be used?（）
If separating effect is not good, which measure should be taken （）