Marina Board Exam: Fog signals, required under the Rules for vessel underway, shall be sounded:

Marina Board Exam

Fog signals, required under the Rules for vessel underway, shall be sounded: 

A. At the intervals of not more than two minutes 
B. Only on the approach of another vessel 
C. Only when vessels are in sight of each other 
D. At intervals of not more than one minute 


Answer:  A.   At the intervals of not more than two minutes