Which statement about transmitting distress messages by radiotelephone is INCORRECT?（）<br>A:Distress messages should first be transmitted on 2182 kHz<br>B:It is advisable to follow a distress message on 2182 kHz by two dashes of 10 to 15 seconds duration<br>C:If no answer is received on the designated distress frequencies，repeat the distress call on any frequency available<br>D:Channel 16 (156.8 MHz) may be used for distress messages

Which statement about transmitting distress messages by radiotelephone is INCORRECT?（）
A:Distress messages should first be transmitted on 2182 kHz
B:It is advisable to follow a distress message on 2182 kHz by two dashes of 10 to 15 seconds duration
C:If no answer is received on the designated distress frequencies，repeat the distress call on any frequency available
D:Channel 16 (156.8 MHz) may be used for distress messages

出自：海船船员证

提示：
同一【IP】的非会员用户每天可免费获取10次答案

收藏本站【zk.995w.com】，下次访问不迷路

本站试题总数:【10252937】个 (题库试题定时更新)