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 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 sighting a northern right whale dead ahead should（）.
A vessel towing astern in an operation which severely restricts the towing vessel and her tow in their ability to change course shall，when making way，exhibit（）.
A vessel is “l(fā)isted” when it is（）.
A vessel is entering port “A” for the first time and has a Pilot conning the vessel. The Master is unsure that the Pilot is taking sufficient action to prevent a collision. What should the Master do? （）
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? （）
A vessel not under command shall display（）.
A vessel is considered to be “restricted in her ability to maneuver” under the Rules if she is （）.
A vessel or object being towed astern shall display a(n)（）.