A.shall noe be discharged
B.shall be discharged
C.shall be filled
D.shall noe be filled
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A.breaks down when wet
B.kinks be discharged
C.is not elastic
D.stretches
A.Water fog
B.Carbon dioxide
C.Dry chemical
D.Solid stream of water
A.cutting off supply of oxygen
B.removing the fuel
C.cooling below the ignition temperature
D.spraying with water
A.vertical position
B.horizontal position
C.boom stop angle
D.minimum radius angle
A.reading the gage pressure
B.weighing the extinguisher
C.discharging a small amount of CO2
D.seeing if the seal has been broken
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Bales close to the deckhead should be covered to prevent（）.
The company should establish and maintain procedures to control all documents and date which are relevant to（）.
It is dangerous for vessels without the operational radar（）the estuary.
The ISM code is part of（）.
Manoeuvring information can not be obtained from（）.
Before any loading takes place any signs of the previous cargo should do（）.
When steering by autopilot,how often should the steering be checked?（）
Which of the following shall not the officers in charge of the navigational watch do?（）
Shipboard Emergency Drills must be carried out at least（）on board cargo ship.
How long are you prohibited to consume alcohol prior to serving as a member of a watch?（）