單項(xiàng)選擇題A towing vessel is tripped when().

A.it is overtaken by the tow
B.it is pulled sideways by the tow
C.the weight of the towing hawser causes loss of maneuverability
D.the propeller is fouled by the towing hawser


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1.單項(xiàng)選擇題A towing vessel and her tow are severely restricted in their ability to change course. When making way,the towing vessel will show ONLY().

A.the masthead lights for a towing vessel
B.the lights for a vessel restricted in her ability to maneuver
C.sidelights,stern light,and towing light
D.All of the above

2.單項(xiàng)選擇題A tow that is properly aligned to pass through a narrow opening between two bridge piers is ().

A.on course
B.headed fair
C.holding on
D.in shape

3.單項(xiàng)選擇題A tow astern is veering from side to side on its towline. The best way of controlling the action is to().

A.trim the tow by the bow
B.trim the tow by the stern
C.list the tow to windward
D.adjust the length of the towing bridle

4.單項(xiàng)選擇題A single vessel being towed alongside shall exhibit().

A.one all-round white light
B.sidelights and a sternlight
C.only the outboard sidelight and a sternlight
D.a masthead light,sidelights,and a sternlight

5.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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Which effect does speed through the water have on a vessel which is underway in shallow water ().

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In regions where ice conditions prevail in the winter,().

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When using the anchor to steady the bow while approaching a dock you must be aware of the fact that().

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In the absence of a route leading from seaward,the conventional direction of buoyage generally follows().

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