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
If separating effect is not good, which measure should be taken （）
The shipboard oil pollution emergency plan will be invalid after （）
Which of the listed governor characteristics will greatly affect the load sharing relationship between paralleled diesel generators?（）
Using a file without a handle may result in （）
The condensers located in various stages of a flash evaporator are cooled by（）
（）connectors hold best if a wire is accidentally pulled or a connection becomes loose.
During the diesel engine running, the water level of F.W expansion tank should normally kept in the （） level of glass tube.
The ISPS Code consists of a mandatory section-Part A, which shows（）
As soon as a diesel engine has started, which of the listed engine operating parameters should be checked FIRST?（）
The additional mark （）in the Classification Certificate for Machinery means propulsion apparatus is remotely controlled on the navigating bridge control station, and engine assembly control station is unmanned periodically.