考试
2020-03-16 16:40:47

9661 Which of the following re

题目描述

Which of the following represents the emergency signal for fire aboard ship?A.More than si



Which of the following represents the emergency signal for fire aboard ship?

A.More than six short blasts and one long blast on the whistle

B.Continuous blast of the ships whistle for a period of not less than 10 seconds supplemented by the same signal on the general alarm

C.Three short blasts of the whistle supplemented by the same signal on the general alarm

D.More than six short blasts and one long blast on the whistle supplemented by the same signal on the general alarm

请帮忙给出正确答案和分析,谢谢!

答案解析

B

加载中...
AI正在思考中,请稍候...