Marina Exam Questions: You are underway and approaching a bend in the channel where vessels approaching from the opposite direction cannot be seen. What sound signal should you make?

Marina Exam Questions 

You are underway and approaching a bend in the channel where vessels approaching from the opposite direction cannot be seen. What sound signal should you make? 

A. one blast 4 to 6 seconds duration 
B. three blast, 4 to 6 seconds duration 
C. one continuous blast until you are able to see around the bend 
D. one blast 8 to 10 seconds in duration


Answer:  A.   one blast 4 to 6 seconds duration