Instructions for on-board maintenance of each life-saving appliance shall not include（）.

单项选择题（）of the following items is not in the charge of Chief Officer in repairing operation.

A.Hull cleaning
B.Derusting and painting
C.The maintenance of boiler
D.Docking and undocking

单项选择题Which statement concerning the handling characteristics of a fully loaded vessel as compared with those of a light vessel is FALSE?（）

A.A fully loaded vessel will be slower to respond to the engines
B.A fully loaded vessel will maintain her headway further
C.A light vessel will be more affected by the wind
D.A light vessel lose more rudder effect in shallow water

单项选择题You intend to overtake a vessel in a narrow channel.As you approach the other vessel’s stern（）

A.you will gain speed
B.both vessels will gain speed
C.the vessels will drift together
D.the vessels will drift apart

单项选择题ECDIS should be capable of（）all chart information necessary for safe and efficient navigation originated.

A.Exhibiting
B.Existing
C.Demonstrating
D.Displaying

单项选择题（）is main emergency fire system in all merchant ships.

A.CO₂ system
B.Foam system
C.Dry power system
D.Water supply system