单项选择题
A.Flame safety lamp B.Combustible gas indicator C.Oxygen indicator D.H2S meter
What best describes an anchor buoy?（）A.A black ball tha...
单项选择题What best describes an anchor buoy?（）
A.A black ball that is hoisted when the ship anchors B.A buoy attached to the anchor C.A buoy attached to the scope of an anchor chain D.A mark of the number of fathoms in an anchor chain
What are the two main types of stud link chain?（）A.Oil ...
单项选择题What are the two main types of stud link chain?（）
A.Oil Rig chain and Oil Field Stud Link chain B.Flash-butt welded chain and Di-Lok chain C.Flash-butt welded chain and Oil Rig chain D.Oil Field Stud Link chain and Flash-butt welded chain
What action should you take to compensate for the above...
单项选择题What action should you take to compensate for the abovecurrent?（）
A.Continue on the same course and speed B.Alter your course to the right C.Slow to 8.5 knots D.Alter your course to the left
