A.one short blast
B.one prolonged blast
C.two short blasts
D.three short blasts
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A.In positions in which the noises in the ship are least likely to interfere with the hearing of a fog signal and the man can see clearly
B.In positions in which the noises in the ship are much likely to interfere with the hearing of a fog signal
C.In positions in which the hearing of a signal is reduced to a minimum
D.In a position in which the man can see clearly
A.come right
B.sound the danger signal
C.continue on your course
D.come left
A.stop your engines
B.sound two prolonged blasts of the whistle
C.sound the danger signal
D.slow to bare steerageway
A.there is a risk of collision
B.you are the give-way vessel
C.the other vessel is the give-way vessel
D.there is no risk of collision
最新試題
A head-on situation at night is one in which you see（）.
A vessel engaged in mine clearance operations is called（）.
The Rules state that vessels may depart from the Rules when（）.
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.
If the circumstances of the case admit，any vessel（）in a narrow channel.
Vessels，（）support vessels，should not enter the safety zone of a deepwater port unless clearance has been obtained from the Vessel Traffic Supervisor.
A vessel engaged in fishing during the day would show（）.
A proper look-out shall be maintained（）.
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.
A vessel engaged in trawling will show identification lights of（）.