A fog signal consisting of one prolonged blast followed by four short blasts would indicate thepresence of a().
PSI-BLAST
The duration of a prolonged blast of the whistle is().
If you hear more than six short blasts and one long blast of the whistle supplemented by the same signal on the general alarm,you should().
A vessel sounds one short blast. This signal indicates the vessel().
The term PROLONGED BLAST refers to().
You are underway in fog and you hear one prolonged blast followed by two short blasts.This is a vessel().
(), which consisted of seven short blasts and one prolonged blast, all passengers have to go to their assembly station.
A long blast to warn the vessels()vicinity.
If you hear a continuous blast of the ship’s whistle for a period of a period of not less than 10 saconds supplemented by a continuous ringing of the general alarm bells for not less than 10 seconds,you should go to your().