Increasing the length of the towing hawser
Trimming the tow by the bow
Trimming the tow by the stern
Drogues put over the stern
第1题：
The disadvantage of using a heaving line to pass a towline is that ______.
A.it increases the likelihood of collision between the towing vessel and the disabled vessel
B.recreational boaters tend to make the heaving line fast to the towed vessel as if it were the towline
C.the monkey fist may injure someone
D.it may reduce the catenary and increase yawing
第2题：
With a large tow astern，there is immediate danger to the tug in the event of the ______．
A.Tug losing power
B.Tow line parting
C.Bridle twisting
D.Tow broaching
第3题：
A.Switch
B.Repeater
C.Printer
D.Host
第4题：
You are underway with a tow consisting of six barges containing hazardous chemicals．Which statement is FALSE concerning a cargo information card ________．
A.It must be carried in the pilothouse，readily available for each chemical carried
B.It must be posted on the lead barge of the tow only
C.It must be posted on each barge on the tow
D.It contains information on procedure for spills or leaks
第5题：
You intend to tow a barge with one tug and expect continuous high winds from the north．To reduce the yaw of your tow，you should ______．
A.reduce the draft of the barge
B.shorten one leg of the bridle
C.place bulky deck loads as far aft as possible
D.trim the barge down by the bow
第6题：
You are pushing a tow ahead，at high speed，near the right hand bank of a canal．The forces affecting your towboat and tow will tend to ______．
A.Push both the head of the tow and the stern of the towboat away from the right hand bank
B.Push the head of the tow away from，and pull the stern of the towboat into，the right hand bank
C.Pull both the head of the tow and the stern of the towboat into the right hand bank
D.Pull the head of the tow into，and push the stern of the towboat away from，the right hand bank
第7题：
The choice of length of tow bridle legs is governed by the ______．
A.Expected towing forces
B.Capability of retrieving gear
C.Freeboard of the unit being towed
D.Need to reduce yaw
第8题：
When cargo aboard a jack-up in transit becomes adrift，the tow vessel should be asked to ______.
A.turn into the seas
B.turn to be parallel to the seas
C.reduce speed
D.increase speed
第9题：
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
第10题：
A chain bridle is used when towing astern because it ______.
A.is easy to connect
B.provides an effective catenary and absorbs shock due to its weight
C.makes rigging a swivel unnecessary
D.prevents the tow from yawing by the drag of the chains in a seaway