What is the alarm signal for a fire emergency or fire drill onboard a merchant ship?

Correct Answer: Option A — Continuous blast of the whistle for not less than 10 seconds supplemented by the continuous ringing of the general alarm bells for not less than 10 seconds.

Under USCG National Maritime Center examination standards, the accepted correct answer is: Continuous blast of the whistle for not less than 10 seconds supplemented by the continuous ringing of the general alarm bells for not less than 10 seconds..