Marina Exam Reviewer: A tug is towing three manned barges in line in fog. The third barge of the tow should sound_.

Marina Exam Reviewer

A tug is towing three manned barges in line in fog. The third barge of the tow should sound_. 

A. one prolonged one short and one prolonged blast 
B. one prolonged and three short blasts 
C. no fog signal 
D. one prolonged and two short blasts  



Answer:     B. one prolonged and three short blasts 

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