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
最新試題
Despite the rising importance and great convenience of the gyrocompass,the magnetic compass still retain its importance because of its（）.
Which of the following shall not the officers in charge of the navigational watch do?（）
The mean draft of a ship is the draft（）.
The company should establish and maintain procedures to control all documents and date which are relevant to（）.
（）is where the crew eat their meals.
In the Northern hemisphere northerly winds may cause temperature（）.
Fog is likely to occur when there is little difference between the dew point and the（）.
The loading of the ship must be done in accordance with（）.
Shipboard Emergency Drills must be carried out at least（）on board cargo ship.
Which of the following is not an operation mode of AIS?（）