A.vessels ascending the river
B.vessels descending the river
C.all vessels ascending and descending the river
D.None of the above
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A.The vessel has negative GM
B.The center of gravity is on the centerline
C.The list can be corrected by reducing KM
D.The vessel has asymmetrical weight distribution
A.two all-round red lights in a vertical line
B.three all-round red lights in a vertical line
C.two all-round yellow lights in a vertical line
D.three all-round green lights in a vertical line
A.three balls in a vertical line
B.two balls in a vertical line
C.one ball near the foremast and one ball at each fore yard
D.one diamond near the foremast head and one ball at each fore yard
A.a forward masthead light
B.sidelights and a sternlight
C.a towing light
D.All of the above
A.the lights required for a power-driven vessel underway
B.only the required masthead lights
C.a sternlight only
D.sidelights and a sternlight
最新試題
Vessels，（）support vessels，should not enter the safety zone of a deepwater port unless clearance has been obtained from the Vessel Traffic Supervisor.
In complying with the Rules，of what must the mariner take due regard?（）.
In a crossing situation，the stand-on vessel should normally（）.
Which statement about the Navigation Rules is TRUE?（）.
A vessel enagaged in fishing，and at anchor，shall show（）.
A vessel being pushed ahead is required to carry which of the following lights?（）.
A vessel（）when underway shall so far as possible，keep out of the way of a vessel not under command.
A proper look-out shall be maintained（）.
A vessel crossing a river on the Western Rivers has the right of way over（）.
A vessel continually lists to one side and has a normal rolling period. Which statement is TRUE?（）.