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
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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
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
最新試題
In towing it is desirable for the tug and the vessel to ride wave crests simultaneously because（）.
Besides saving distance along the track line，another advantage of the Scharnow Turn over the Williamson Turn in a man overboard situation because（）.
If the towline parts，you should（）.
The effect known as bank cushion acts in which of the following ways on a single-screw vessel proceeding along a narrow channel? （）
As a vessel falls off the wind from close-hauled to a beam reach，the tendency for the vessel to move sideways through the water will（）.
In order to back a right-handed，single-screw vessel in a straight line，you will probably need to use（）.
Once a towline is connected between the towing vessel and the disabled vessel，the towing vessel should（）.
In order for a vessel to be engaged in fishing she must be（）.
In a following sea，a wave has overtaken your vessel and thrown the stern to starboard. To continue along your original course，you should（）.
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（）.