题目
Fog signals, required under the Rules for vessels underway, shall be sounded.A. at intervals of not more than one minuteB. only on the approach of another vesselC. only when vessels are in sight of each otherD. at intervals of not more than two minutes
Fog signals, required under the Rules for vessels underway, shall be sounded.
A. at intervals of not more than one minute
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 two minutes
题目解答
答案
D. at intervals of not more than two minutes