A.one year
B.two years
C.four years
D.five years
您可能感兴趣的试卷
你可能感兴趣的试题
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
A.Voyage repairs
B.Routine docking
C.Damage repairs
D.Conversion
A.voyage repairs
B.routine docking
C.damage repairs
D.conversion
A.voyage repairs
B.routine docking
C.damage repairs
D.conversion
A.informative note
B.invoice
C.store booklet
D.maintenance book
A.informative note
B.consignment note
C.store booklet
D.maintenance book
A.the chief engineer
B.the second engineer
C.the third engineer
D.the fourth engineer
最新试题
Using a file without a handle may result in ()
Engine parameters shall be corresponded to NOx Technical Files. This is required by ()
As soon as a diesel engine has started, which of the listed engine operating parameters should be checked FIRST?()
()are used to digest the sewage to produce innocuous sludge in a biological sewage treatment plant.
Refrigerant entering the compressor of a refrigeration system should be in which of the following conditions?()
Flame failure in an automatically fired auxiliary boiler can from a/an ()
If separating effect is not good, which measure should be taken ()
The treatment of the fuel oils involves storage, heating, filtering and()
Which of the diesel engine components listed increase air density and helps to improve engine operating efficiency?()
If two A.C.generators are to be operated in parallel, the load is distributed evenly by()