A.one year
B.two years
C.four years
D.five years
您可能感興趣的試卷
你可能感興趣的試題
A.one year
B.two years
C.four years
D.five years
A.fire fighting pump
B.the steering gear
C.life boat engine
D.the main engine
A.fire fighting pump
B.the steering gear
C.life boat engine
D.the main engine
A.Sea trial
B.Bed-test
C.Engine performance
D.PSC inspection
A.During annual repair
B.Usually during dock repair
C.Before sea trial
D.After 5 years from last annual survey
最新試題
Under MARPOL Code the ship to which it applies has to carry （）
Which of the listed governor characteristics will greatly affect the load sharing relationship between paralleled diesel generators?（）
“Insufficiency of manning or insufficiency of certification of seafarers” is an identification of a（）
The condensers located in various stages of a flash evaporator are cooled by（）
Engine parameters shall be corresponded to NOx Technical Files. This is required by （）
The shipboard oil pollution emergency plan will be invalid after （）
Which one is NOT the ‘clear grounds’ for a more detailed inspection?（）
（）are used to digest the sewage to produce innocuous sludge in a biological sewage treatment plant.
Thermostatic steam pressure reducing valves are used in the fuel oil service system to control the（）
Using a file without a handle may result in （）