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单选题
The emergency alarm is sounded on （）(汽笛) according to master’s order.
A
VHF
B
whistle
C
broadcast
D
sextant
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考题
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考题
单选题The emergency signal for fires is sounded on the ship’s whistle and general alarm as（）.A
a continuous ringing for 10 secondsB
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a continuous ringing until the fire is extinguished
考题
单选题Which of the actions listed should be taken by the engineer on watch when the general alarm is sounded continuously for 10 seconds?（）A
Engine room ventilation should be startedB
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The fixed CO2 system should be activated
考题
单选题（）, which consisted of seven short blasts and one prolonged blast, all passengers have to go to their assembly station.A
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单选题A sound signal of seven short blasts and one long blast given with the vessel’s sound system is（）.A
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