The signal for fire alarm on a ship must be indicated().
A、at each alarm bell
B、at each alarm actuator
C、near all exits
D、on the station bill
A、at each alarm bell
B、at each alarm actuator
C、near all exits
D、on the station bill
A、abandon ship B、dismissal from fire and emergency stations C、fire and emergency D、man overboard
A、A.a 30 second on 30 second off alternating signal B、B.the continuous blast of the ships whistle for not less than 10 seconds supplemented by the continuous ringing of the general alarm bells for not less than 10 seconds C、C.an intermittent ringing of the general alarm for not less than ten seconds D、D.announced over the PA system
A、opening dead spaces to check for heat or fire B、evacuation of the vessel C、sounding the all clear signal D、operation of the emergency generator
A、A.More than six short blasts and one long blast on the whistle B、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、C.Three short blasts of the whistle supplemented by the same signal on the general alarm D、D.More than six short blasts and one long blast on the whistle supplemented by the same signal on the general alarm
A、a continuous ringing for 10 seconds B、one short ring followed by one long ring C、two long rings of at least 20 seconds D、a continuous ringing until the fire is extinguished
A、a continuous ringing for 10 seconds B、one short ring followed by one long ring C、two long rings of at least 20 seconds D、a continuous ringing until the fire is extinguished
A、more than 6 short blasts and 1 long blast on the whistle,and the same signal on the general alarm B、continuous sounding of the ship's whistle and the general alarm for at least 10 seconds C、1 short blast on the whistle D、alternating short and long blasts on the ship's whistle
A、A.opening dead spaces to check for heat or fire B、B.evacuation of the vessel C、C.sounding the "all clear" signal D、D.operation of the emergency generator