A.red light over a white light
B.green light over a white light
C.yellow light over a red light
D.white light over a green light
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A.smelling the bottom
B.squatting
C.bank suction
D.bank cushion
A.the masthead lights for a towing vessel
B.the lights for a vessel restricted in its ability to maneuver
C.sidelights，stern light and towing light
D.All of the above
A.only a stern light
B.a towing light above the stern light
C.two towing lights in a vertical line
D.two white lights in a vertical line
A.maintain course and speed
B.alter course to give a wide clearance
C.report the whale's position to the Canadian Coast Guard
D.All of the above
A.diving operations
B.dredging
C.fishing
D.mineclearance operations
最新試題
A vessel traveling down a narrow channel，especially if the draft is nearly equal to the depth of the water，may set off the nearer side. This effect is known as（）.
A vessel may use any sound or light signals to attract the attention of another vessel as long as（）.
A vessel displaying three red lights in a vertical line is（）.
A vessel showing a rigid replica of the International Code flag “A” is engaged in（）.
A vessel is equipped with twin propellers，both turning outboard with the engines half ahead. If there is no wind or current and the rudders are amidships，what will happen?（）
A vessel is heading magnetic east and its magnetic compass indicates a heading of 086°. Which action should be taken to remove this error during compass adjustment?（）
A salvor may be（）the whole or part of the payment due under Salvage Convention to the extent that the salvage operations have become necessary or more difficult because of fault or neglect on his part or if the salvor has been guilty of fraud or other dishonest conduct.
A vessel is heading magnetic northwest and its magnetic compass indicates a heading of 312°. What action should be taken to remove this error during compass adjustment? （）
A vessel not under command making way at night would show（）.
A vessel has a charter party for one voyage to carry a full load of manganese from Durban，South Africa，to Baltimore，Maryland，at a stipulated rate per ton. Which type of contract is involved? （）