A.prevent an unsafe ship proceeding to sea
B.prevent a ship threatening the marine environment
C.fine the ships
D.confirm a safe sailing
您可能感興趣的試卷
你可能感興趣的試題
A.means of rheostat the governor settings
B.a balance coil excitation
C.adjusting the governor settings
D.changing excitation
A.centrifuging
B.pressurizing
C.atomization
D.igniting
A.making the repair list, booking spare parts and special tools for the dock repair
B.shutting off all of the S.W valves to outboard
C.the sketches or diagrams used for the dock repair
D.cleaning up the oil tank and boiler before enter the dock
A.the highest
B.above 3/4
C.1/2 -3/4
D.the lowest
A.Ammeter and changeover switch
B.Power factor meter
C.Synchroscope
D.Reverse sequence relay
最新試題
Cold weather starting of a diesel engine may be made easier by（）
Thermostatic steam pressure reducing valves are used in the fuel oil service system to control the（）
Refrigerant entering the compressor of a refrigeration system should be in which of the following conditions?（）
（） is not installed on the main switchboar.
By comparing the exhaust gas temperature of each cylinder, the operator can determine if the load is balanced throughout the engine. The device most commonly used is a（）
The flash point of a residual fuel oil should be used to determine the highest temperature to which oil may be heated（）
Under MARPOL Code the ship to which it applies has to carry （）
The shipboard oil pollution emergency plan will be invalid after （）
The Port State Control officer may witness a fire drill carried out by the crew assigned to these duties on the（）
Using a file without a handle may result in （）