單項選擇題A twin-screw vessel can clear the inboard propeller and maneuver off a pier best by holding a(n)（）.

A.forward spring line and going slow ahead on the inboard engine
B.after spring line and going slow astern on the outboard engine
C.forward spring line and going slow ahead on both engines
D.forward spring line and going slow ahead on the outboard engine


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1.單項選擇題A twin-screw ship going ahead on the starboard screw only tends to move（）.

A.in a straight line
B.to port
C.from side to side
D.to starboard

2.單項選擇題A twin screw vessel，making headway with both engines turning ahead，will turn more readily to starboard if you（）.

A.reverse port engine，apply right rudder
B.reverse port engine，rudder amidships
C.reverse starboard engine，apply right rudder
D.reverse starboard engine，rudder amidships

3.單項選擇題A towing vessel becomes tripped while towing on a hawser astern. What factor is MOST important when assessing the risk of capsizing? （）

A.Length of the towline
B.Height of the towline connection
C.Longitudinal position of the towline connection
D.Direction of opposing force

4.單項選擇題A reaching course is one in which the wind（）.

A.comes directly over the bow
B.comes directly over the stern
C.comes over an area extending from broad on the bow to the quarter
D.has no effect on the vessel

5.單項選擇題A racetrack turn would be better than a Williamson turn in recovering a man overboard if （）.

A.the man has been missing for a period of time
B.the sea water is very cold and the man is visible
C.there is thick fog
D.the wind was from astern on the original course