A、Immediately use all the signals at once
B、Use all the signals during the first night
C、Employ a signal every hour after abandoning ship until they are gone
D、Use them only when you are aware of a ship or plane in the area
更多“How should signal flares be used after you have abandoned ship and are adrift in a liferaft?（）.”相关的问题
A、The SART should be placed in water immediately upon activation B、The SART should be held as high as possible C、Switch the SART into the "high" power position D、If possible，the SART should be mounted horizontally so that its signal matches that of the searching radar signal
A、Use one hand to give any miotion signal , and place the other hand motionless in front of the hand giving the motion signal B、Extend arm with the thumb pointing up , and flex the fingers in and out for as long as the load movement is desired C、First tap your elbow with one hand , and then proceed to use regular signals D、First tap the top of your head with your first , and then proceed to use regular signals
A、Use one hand to give any miotion signal , and place the other hand motionless in front of the hand giving the motion signal B、Extend arm with the thumb pointing up , and flex the fingers in and out for as long as the load movement is desired C、First tap your elbow with one hand , and then proceed to use regular signals D、First tap the top of your head with your first , and then proceed to use regular signals
A、Use one hand to give any motion signal，and place the other hand motionless in front of the hand giving the motion signa B、Extend arm with the thumb pointing up，and flex the fingers in and out for as long as the load movement is desired C、First tap your elbow with one hand and then proceed to use regular signals D、First tap the top of your head with your fist and then proceed to use regular signals
A、-40dBm signal and -90dBm noise B、-50dBm signal and -90dBm noise C、-30dBm signal and -90dBm noise D、-20dBm signal and -90dBm noise
A、They should be clear about all fire-fighting equipment.. B、They should be understood about the meaning of the different alarm signals. C、They should be clear about all life-saving equipment. D、They should be clear about the meaning of the different alarm signals.
A、A. -40dBm signal and -90dBm noise B、B. -50dBm signal and -90dBm noise C、C. -30dBm signal and -90dBm noise D、D. -20dBm signal and -90dBm noise
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