單項選擇題In a crossing situation on open waters,a sailing vessel shall keep out of the way of all the following vessels EXCEPT a vessel().

A.not under command
B.restricted in her ability to maneuver
C.engaged in towing
D.fishing


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1.單項選擇題If your vessel is underway in fog and you hear one prolonged and three short blasts,this is a ().

A.vessel not under command
B.sailing vessel
C.vessel being towed (manned)
D.vessel being towed (unmanned)

2.單項選擇題If there is sufficient sea room,alteration of()may be the most effective action to avoid close-quarters situation.

A.speed and course
B.speed alone
C.course alone
D.speed or course

3.單項選擇題If there is any doubt as to the proper operation of a radar,which statement is TRUE?().

A.Only a radar expert can determine if the radar is operating
B.All radars have indicator lights and alarms to signal improper operation
C.A radar range compared to the actual range of a known object can be used to check the operation of the radar
D.The radar resolution detector must be energized to check the radar

4.單項選擇題If it becomes necessary for a stand-on vessel to take action to avoid collision,she shall NOT,if possible,()

A.decrease speed
B.increase speed
C.turn to port for a vessel on her own port side
D.turn to starboard for a vessel on her own port side

5.單項選擇題Any vessel()any other shall keep out of the way of the vessel().

A.overtaking/overtaken
B.being overtake/being overtaken
C.overtaking/being overtaken
D.being overtaking/overtaken