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
According to the relevant regulation, lifeboat should be powered by（）.
Before any loading takes place any signs of the previous cargo should do（）.
A tide is called diurnal when（）.
The loading of the ship must be done in accordance with（）.
Fog is likely to occur when there is little difference between the dew point and the（）.
Manoeuvring information can not be obtained from（）.
Where would you find information about the time of high tide at a specific location on a particular day of the year?（）
Which wind results from a land mass cooling more quickly at night than an adjacent water area?（）
How long are you prohibited to consume alcohol prior to serving as a member of a watch?（）
The ISM code is part of（）.