A.all vessels must carry an after range light
B.vessels less than 50 meters in length need not carry an after range light
C.vessels stopped dead in the water should turn off their range lights
D.vessels over 20 meters in length must carry both range lights from sunset to sunrise
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A.non-self-propelled raft
B.seaplanes
C.hovercrafts
D.All of the above
A.shall
B.should
C.would
D.had to
A.notify the competent authorities
B.sound the alarm
C.have passengers put on life preservers
D.cut off air supply to the fire
A.The one with the wind closest abeam
B.The one to windward
C.The one to leeward
D.The one that sounds the first whistle signal
A.East to northeast
B.East to southeast
C.North to northwest
D.South to southeast
最新試題
Full details of all lights and fog signals are shown on（）.
The helm command PORT TWENTY means（）.
The circulation around a low pressure center in the Northern Hemisphere is（）.
（）is the act of allocating space to containers on board of a container ship in the order of the discharge ports.
Shipboard Emergency Drills must be carried out at least（）on board cargo ship.
Which wind results from a land mass cooling more quickly at night than an adjacent water area?（）
When the wave period and the apparent rolling period are the same（）.
The loading of the ship must be done in accordance with（）.
（）is halfway between the forward and after perpendiculars and is reference point for vessel construction.
Where would you find information about the time of high tide at a specific location on a particular day of the year?（）