單項(xiàng)選擇題A vessel which through some exceptional circumstance is unable to maneuver as required by these Rules and is therefore unable to keep out of the way of another vessel is called().

A.a vessel restricted in her ability to maneuver
B.a vessel not under command
C.a vessel engaged in fishing
D.a vessel constrained by her draught


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2.單項(xiàng)選擇題A vessel towing astern in an operation which severely restricts the towing vessel and her tow in their ability to change course shall,when making way,exhibit().

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

3.單項(xiàng)選擇題A vessel is equipped with a single right-handed screw. With rudder amidships and calm wind,the vessel will most likely back().

A.straight astern
B.to port
C.to starboard
D.in no particular direction

4.單項(xiàng)選擇題A vessel is considered to be restricted in her ability to maneuver under the Rules if she is ().

A.at anchor
B.mine-clearing
C.engaged in fishing
D.engaged in towing

5.單項(xiàng)選擇題A vessel fitted with twin screws is easier in()than a vessel with single screw.

A.turning maneuver
B.course setting
C.position fixing
D.regulating speed

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