The emergency signal for fires is sounded on the ship’s whistle and general alarm as（）.
1、（）is not installed on the emergency sw
（）is not installed on the emergency switchboard.AAmmeterBVoltmeterCWattmeterDSynchroscope
2、What is the lifesaving signal for，You
What is the lifesaving signal for，You are seen - assistance will be given as soon as possible?（）AGreen star rocketBRed star rocketCOrange smoke signalDHorizontal motion of a flag
3、What is the lifesaving signal for You
What is the lifesaving signal for You are seen -assistance will be given as soon as possible?（）A3 white star signalsBHorizontal motion with a white flagCVertical motion of a white lightDCode letter K by blinker light
4、The signal for a fire emergency on an
The signal for a fire emergency on an OSV is（）.Aa 30 second on 30 second off alternating signalBthe continuous blast of the ships whistle f...
5、The emergency bilge suction valve is t
The emergency bilge suction valve is typically used （）.Ato inject cleaning additives when the bilges are extremely dirtyBwhen the main condense...
6、The firing of a red star signal may me
The firing of a red star signal may mean（）.AThis is the best place to landBYou are seen - assistance will be given as soon as possibleCTail block is made fastDSlack away