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
A vessel enagaged in fishing，and at anchor，shall show（）.
A vessel continually lists to one side and has a normal rolling period. Which statement is TRUE?（）.
A vessel aground at night is required to show two red lights in a vertical line as well as （）.
A vessel engaged in trawling will show identification lights of（）.
A vessel constrained by her draught may，in addition to the lights prescribed for power-driven vessels in Rule 23，exhibit where they can best be seen（）or a cylinder.
A vessel approaching your vessel from 235°relative is in what type of situation?（）.
As look-out，you spot an object 45°off your port bow. You should report the object as（）.
A vessel engaged in mine clearance operations is called（）.
A vessel engaged in fishing during the day would show（）.
In dense fog a vessel without operational radar may not be justified（）at all but should anchor if it is safe and practicable for her to do so.