单项选择题
A.Channel 6 DSC B.Channel 6 Radiotelephony C.Channel 13 Radiotelephony and channel 16 DSC D.Channel 70 DSC
Which action(s) should the operator of a pedestal crane...
单项选择题Which action(s) should the operator of a pedestal crane take if crane control is lost?（）
A.Let go of both control levers and return to neutral position B.Press the emergency stop C.Notify the mate on watch D.All of the above
Which action(s) is/are included in crane operations?（）A...
单项选择题Which action(s) is/are included in crane operations?（）
A.Normal boom stowage and shutdown operations B.Emergency shutdown operation C.Removing booms from stowage D.All of the above
Where must the 0mster or person in charge of a ship rec...
单项选择题Where must the 0mster or person in charge of a ship record the date of each test of emergency lighting and power systems and the condition and performance of the equipment?（）
A.On the Certificate of Inspection B.On the Muster List ("Station Bill") C.In the Operations Manual D.In either the official or unofficial log
