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
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A.Length of the towline
B.Height of the towline connection
C.Longitudinal position of the towline connection
D.Direction of opposing force
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
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
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
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
最新試題
As a ship moves through the water，it drags with it a body of water called the wake. The ratio of the wake speed to the ship’s speed is called（）.
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（）.
Once a towline is connected between the towing vessel and the disabled vessel，the towing vessel should（）.
If a vessel under tow starts jumping on its tow line，the most appropriate action to alleviate the condition is to（）.
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（）.
In order to back a right-handed，single-screw vessel in a straight line，you will probably need to use（）.
A vessel，which is unable to maneuver due to some exceptional circumstance，shall exhibit （）.
Apparent wind speed blowing across a vessel under tow can be measured by a(n)（）.
In towing，heaving lines are used for（）.
In towing it is desirable for the tug and the vessel to ride wave crests simultaneously because（）.