单项选择题
A.Locked up B.Readily accessible for use C.Inaccessible to passengers D.On the topmost deck of the vessel at all times
You have been towing astern and have just let go the to...
单项选择题You have been towing astern and have just let go the tow.Your deckhands are pulling in and faking the towline by hand on the stern.The most dangerous action to take is to（）.
A.continue ahead at slow speed B.continue ahead at half speed C.stop your engines D.back down on your engines
You are operating a lift boat.When beginning to jack do...
单项选择题You are operating a lift boat.When beginning to jack down you should（）.
A.Jack down one leg at a time B.Jack up first，then down C.Undog doors to the engine room D.Assemble all personnel on the main deck
You are handling a mooring line and are instructed to C...
单项选择题You are handling a mooring line and are instructed to Check the line.What should you do（）.
A.Ensure the bight is not fouled by taking up slack B.Pay out the line smartly and keep it free for running C.Secure the line by adding more turns D.Surge the line so it maintains a strain without parting
