A.keeping the fuel tanks topped off
B.increasing the free surface effect
C.keeping the fuel tanks at least half MI
D.keeping at least one fuel tank empty for slops
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A.leave the access door partially open
B.enter from the lowest level
C.enter from the highest level
D.attempt to operate machinery
A.unburned carbon particles
B.excess nitrogen
C.a lack of oxygen
D.excess hydrogen
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
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
A.Dry chemical
B.Halon
C.Low velocity fog
D.Steam
A.abandon ship
B.dismissal from drills
C.fire and emergency
D.lower lifeboats
最新试题
Which one is NOT the ‘clear grounds’ for a more detailed inspection?()
Engine parameters shall be corresponded to NOx Technical Files. This is required by ()
The condensers located in various stages of a flash evaporator are cooled by()
Diesel engine air start system check valves are opened by ()
By comparing the exhaust gas temperature of each cylinder, the operator can determine if the load is balanced throughout the engine. The device most commonly used is a()
Refrigerant entering the compressor of a refrigeration system should be in which of the following conditions?()
Under MARPOL Code the ship to which it applies has to carry ()
()are used to digest the sewage to produce innocuous sludge in a biological sewage treatment plant.
As soon as a diesel engine has started, which of the listed engine operating parameters should be checked FIRST?()
The main purpose of port State control is not to()