[单项选择]Which signal is detected as originating from a SART?（）
A. The Morse code distress series S-O-S repeated 3 times followed by DE and the vessel's call sign
B. A line of blip code on a radar screen outward from the SART's position along its line of bearing
C. A line of blip code on a radar screen inward from the SART's position to its own ship along its line of bearing
D. None of these

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[单项选择]In a narrow channel, a signal of intent which must be answered by the other vessel, is sounded by a vessel（）.
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[单项选择]A RADIO SIGNAL FROM A DISTRESSED VESSEL AUTOMATICALLY DIRECTED TO A RCC GIVING POSITION，IDENTIFICATION，COURSE AND SPEED OF THE VESSEL AS WELL AS THE NATURE OF DISTRESS is known as（）.
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[单项选择]Which signal is recognized as a distress signal?（）.
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[单项选择]Which is NOT a distress signal?（）
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[单项选择]Which radiotelephone signal indicates receipt of a distress message?（）
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[单项选择]（）is the most visible signal of distress from a lifeboat at sea in the daytime.
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[单项选择]An airplane should NOT send which signal in reply to a surface craft?（）
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[单项选择]Which is a distress signal? （）
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[单项选择]Which shipboard equipment will detect a signal from a SART?（）
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[单项选择]Which signal and noise values will result in the best phone communication with an access point?（）
A. signal strength 46dBm, noise level 95dBm
B. signal strength 74dBm, noise level 94dBm
C. signal strength 68dBm, noise level 79dBm
D. signal strength 50dBm, noise level 56dBm

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