A.steel
B.aluminum in an aluminum-hulled vessel
C.schedule 80 fire resistant plastic pipe
D.nickel-copper，copper-nickel or annealed copper
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A.used only for pollution response
B.owned and operated by the US government
C.used only within a barge fleeting area
D.used only on inland waters
A.receive a safety orientation or view a videotape before the vessel gets underway
B.view a videotape on safety procedures within 48 hours of reporting for duty
C.receive a safety orientation within 24 hours of reporting for duty
D.none of the above
A.Conduction of heat to adjacent surfaces
B.Direct radiation
C.Convection
D.All of the above
A.completely closing the compartment
B.closing the compartment except for the ventilators
C.leaving the compartment open to the air
D.increasing the air flow to the compartment by blowers
A.used for electrical fires only
B.the smallest
C.the most accessible
D.the most effective
最新試題
During which condition should the operator of a pedestal crane shutdown operations?（）
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Each hand portable fire extinguisher on a ship must be marked with（）.
Each EPIRB required on an OSV shall be tested using the integrated test circuit and output indicator every（）.
During which condition should the operator of a pedestal crane shutdown operations?（）
Fire in an engine compartment is best extinguished with carbon dioxide gas (CO2) and by（）.
Each drilling unit equipped with helicopter fuel storage tanks must have the tanks installed as far as practicable from the（）.
During the manufacture of line，yarns are twisted together in the（）.
During the day，a vessel picking up a submarine cable shall carry（）.
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