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单选题
A towline should be fastened to（）.
A
the chocks at the bow of a towed vessel
B
the most forward，centermost point of a towed vessel such asa sturdy bow rail
C
the mast of a towed sailboat
D
a secure fitting near the bow of the towed vessel
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When should you conduct a visual inspection of your towline?A.Whenever its serviceability is in doubtB.In accordance with the manufacturer's recommendationC.At least once a monthD.All of the above
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When using slings，cargo handlers should take all the following precautions except ______．A.Ensure that slings are securely fastened around the loadB.Avoid careless winch operations，especially when handling fragile cargoC.Exercise care when using hooks，crowbars，and similar toolsD.Keep the loads as close to the rail or deck as possible
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单选题Floors aboard ship are（）.A
frames to which the tank top and bottom shell are fastened on a double bottomed shipB
transverse members of the ships frame which support the decksC
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单选题Floors aboard ship are（）.A
frames to which the tank top and bottom shell are fastened on a double bottomed shipB
transverse members of the ships frame which support the decksC
longitudinal beams in the extreme bottom of a ship from which the ship's ribs startD
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单选题During the towing of a survival craft，a lookout should be on station to（）.A
release the towline in an emergencyB
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单选题An ocean tow is sinking in deep water. Attempts to sever the towing hawser are unsuccessful. Which action should now be taken? （）A
Abandon the towing vesselB
Radio for emergency assistanceC
Slip the towline and allow it to run off the drumD
Secure all watertight openings on the towing vessel
考题
单选题In towing，chocks are used to（）.A
protect the towline from chafingB
secure the end of the towline on the tugC
stop off the towline while retrieving itD
absorb shock loading on the towline
考题
单选题You have a large，broken-down vessel in tow with a wire rope and anchor cable towline. Both vessels have made provision for slipping the tow in an emergency; however，unless there are special circumstances（）.A
the towing vessel should slip firstB
the vessel towed should slip firstC
they should slip simultaneouslyD
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考题
单选题When should you conduct a visual inspection of your towline? （）A
Whenever its serviceability is in doubtB
In accordance with the manufacturer's recommendationC
At least once a monthD
All of the above
考题
单选题A towline should be fastened to（）.A
the chocks at the bow of a towed vesselB
the most forward，centermost point of a towed vessel such as a sturdy bow railC
the mast of a towed sailboatD
a secure fitting near the bow of the towed vessel
考题
单选题Which factor(s) might indicate that a towline should be removed from service? （）A
Visible damage to the towline，including fishhooksB
Measurements showing a decrease in diameterC
A surface condition of corrosion and discolorationD
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考题
单选题A towing vessel becomes tripped while towing on a hawser astern. What factor is MOST important when assessing the risk of capsizing? （）A
Length of the towlineB
Height of the towline connectionC
Longitudinal position of the towline connectionD
Direction of opposing force
考题
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Clove hitchB
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考题
单选题The main reason a long towline is used during an oceantow is that（）.A
a margin of safety is provided should the line partB
the towline will wear more evenlyC
there will be less stress on the towlineD
a slight increase in speed will be realized
考题
单选题Once a towline is connected between the towing vessel and the disabled vessel，the towing vessel should（）.A
not exceed bare steerageway during the transitB
take a strain as soon as you can to control the towC
come up to speed very slowly and maintain a safe speedD
come up to speed quickly，then cut back power considerably to ease the strain
考题
单选题When towing astern what equipment should be stowed ready for use near the towline?（）A
First aid kitB
Axe or cutting torchC
Fire extinguisherD
Chafing gear
考题
单选题A tow that veers to the side on the end of the towline is said to（）.A
yawB
surgeC
swayD
swing
考题
单选题If the towline parts，you should（）.A
start towing by pushing aheadB
abandon the towing vesselC
retrieve the tow bridleD
relieve strain on the retrieving line
考题
单选题A vessel which is being assisted by an icebreaker should indicate that she is ready to cast off the towline by（）.A
displaying code letter Y (Yankee)B
sounding five short blasts on his whistleC
displaying code numeral 5D
sounding one prolonged blast on his whistle
考题
单选题It is good practice to use long towlines for ocean tows because the（）.A
wear on the towline is equalizedB
weight of the towline increases the towing forceC
dip in the towline absorbs shock loadsD
danger of overriding is reduced
考题
单选题Tugs sometimes shackle a length of chain in the towline in order to（）.A
take the wear should the towline drag bottomB
assure that if the towline is overstressed it will part close to the bridleC
prevent the towline from whipping should it partD
put spring in the towline
考题
单选题When using slings，cargo handlers should take all the following precautions except（）.A
Ensure that slings are securely fastened around the loadB
Avoid careless winch operations，especially when handling fragile cargoC
Exercise care when using hooks，crowbars，and similar toolsD
Keep the loads as close to the rail or deck as possible
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