A.smoke density has been decreased sufficiently to see the bulkhead opposite the compartments entrance
B.a lifeline and explosion proof flash light are used
C.all smoke and toxic fumes are removed and an adequate oxygen supply is present
D.overhaul has been completed to remove any possible source of re-ignition
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A.Hydraulic oil
B.Lubricating oil
C.Diesel oil
D.Refrigeration oil
A.CO2
B.ABC dry chemical
C.CO2 propelled foam
D.All of the above
A.CO2
B.Foam
C.Water fog
D.Soda acid
A.More than six short blasts and one long blast on the whistle
B.Continuous blast of the ships whistle for a period of not less than 10 seconds supplemented by the same signal on the general alarm
C.Three short blasts of the whistle supplemented by the same signal on the general alarm
D.More than six short blasts and one long blast on the whistle supplemented by the same signal on the general alarm
A.mechanical foam
B.chemical foam
C.carbon dioxide
D.soda acid
最新試題
During the diesel engine running, the water level of F.W expansion tank should normally kept in the （） level of glass tube.
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Using a file without a handle may result in （）
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Under MARPOL Code the ship to which it applies has to carry （）
Which one is NOT the ‘clear grounds’ for a more detailed inspection?（）
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Refrigerant entering the compressor of a refrigeration system should be in which of the following conditions?（）
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