A continuous blast of the ship's whistle for a period of not less than 10 seconds, supplemented by a continuous sounding of the general alarm for a period of not less than 10 seconds, is the __________.
A
boat stations signal
B
secure from boat stations signal
C
fire alarm signal
D
lower lifeboats signal
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Question 1 / 205eccef9ebacbc34ba4d461f7
Question 1 of 205eccef9ebacbc34ba4d461f7
A continuous blast of the ship's whistle for a period of not less than 10 seconds, supplemented by a continuous sounding of the general alarm for a period of not less than 10 seconds, is the __________.
A continuous blast of the ship's whistle for a period of not less than 10 seconds, supplemented by a continuous sounding of the general alarm for a period of not less than 10 seconds, is the __________.