单项选择题

The ventilation system of your ship has fire dampers restrained by fusible links. Which statement is TRUE? （）

A.Fusible links must be replaced if a damper is activated
B.Fusible links are tested by applying a source of heat to them
C.Fusible links must be replaced at every inspection for certification
D.A fusible link will automatically open after a fire is extinguished and reset the damper

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热门试题

单项选择题The test of a towing vessel’s steering gear control system includes each item EXCEPT（）.

A.a test from the alternative power supply，if installed
B.timing the movement of the rudder from hard over to hard over
C.verification that the rudder angle indicator shows the actual position of the rudder(s)
D.visual inspection of the steering linkage

单项选择题The term LEE SHORE refers to the（）.

A.shore on the lee side of the vessel
B.shore that is in the lee
C.western shore of the Lesser Antilles
D.shore in a harbor of refuge

单项选择题The SMS should provide for specific measures aimed at promoting the（）of equipment or systems the sudden operational failure of which may result in hazardous situations.

A.visibility
B.ability
C.reliability
D.capability

单项选择题The ship can leave the port（）the joint inspection.

A.before
B.after
C.at
D.from

单项选择题The productivity of working shifts can be improved through a decrease of（）.

A.working hours
B.gangs
C.idle time
D.weight per set