單項(xiàng)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


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1.單項(xiàng)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

2.單項(xiàng)選擇題While moving ahead,a twin-screw ship has an advantage over a single-screw ship because ().

A.correct trim will be obtained more easily
B.drag effect will be cancelled out
C.side forces will be eliminated
D.speed will be increased

3.單項(xiàng)選擇題When towing astern,one way to reduce yawing of the tow is to().

A.trim the tow by the stern
B.trim the tow by the head
C.have the tow on an even keel
D.list the tow on the side it is yawing

4.單項(xiàng)選擇題When a vessel navigates in an area with a small underkeel clearance but with adequate space to take avoiding action she().

A.should not be regarded as a vessel constrained by her draught
B.should be regarded as a vessel constrained by her draught
C.shall be regarded as a vessel restricted in her ability to maneuver
D.should be regarded as a non-displacement vessel

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If a vessel under tow starts jumping on its tow line,the most appropriate action to alleviate the condition is to().

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One advantage of chain over wire rope for a tow bridle is that chain().

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One major advantage of the round turn maneuver in a man overboard situation is that it().

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The condition where a ship on the end of a tow line is riding a wave crest at the same time as its tug rides a wave crest is known as riding in().

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Most of your vessel’s superstructure is forward. How will the vessel lie when drifting with no way on?().

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If the towline parts,you should().

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In a following sea,a wave has overtaken your vessel and thrown the stern to starboard. To continue along your original course,you should().

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Besides saving distance along the track line,another advantage of the Scharnow Turn over the Williamson Turn in a man overboard situation because().

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Once a towline is connected between the towing vessel and the disabled vessel,the towing vessel should().

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A vessel travelling down a narrow channel,especially if the draft is nearly equal to the depth of the water,may set off the nearer side. This effect is known as().

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