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单选题
The biggest problem encountered when towing bridle legs are too short is（）.
A
retrieval
B
adjusting tension
C
excessive strain
D
hookup to main towline
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An ocean towing bridle whose legs are of equal length，but too short，may ______.A.fail to provide spring in the hawserB.cause unequal distribution of the load to one legC.cause the bridle legs to jump clear of the chocks or fairleadsD.None of the above
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A chain bridle is preferable to a wire rope towing bridle on a long ocean tow because chain ______.A.is more flexible and has the ability to absorb shock because of its weightB.is less subject to wear and damage from abrasionC.requires little maintenanceD.All of the above
考题
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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 bowB.Trim the tow by the sternC.List the tow to windwardD.Adjust the length of the towing bridle
考题
A chain bridle is used when towing astern because it ______.A.is easy to connectB.provides an effective catenary and absorbs shock due to its weightC.makes rigging a swivel unnecessaryD.prevents the tow from yawing by the drag of the chains in a seaway
考题
单选题When towing astern，increased catenary will（）.A
increase control of the towB
prevent the towing vessel from going in ironsC
make the towing vessel less maneuverableD
reduce shock stress on the towing hawser
考题
单选题When towing，what is the main reason for using a chain bridle on a wire hawser（）.A
It makes for an easy connectionB
It gives a spring effect to cushion the shockC
It eliminates the necessity of a swivelD
It does not chafe
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单选题The biggest problem affecting the health of younger Americans may be summarized as the problem of _____.A
overworkB
depressionC
stressD
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考题
单选题One advantage of chain over wire rope for a tow bridle is that chain（）.A
is better suited for inland towingB
resists damage from chafingC
handles more easilyD
equalizes towing forces better
考题
单选题An ocean towing bridle should（）.A
have equal legs of sufficient lengthB
have a large angle between the legsC
be formed on a bight of cable through a ringD
never be made up of chain
考题
单选题The biggest problem you generally encounter while towing a single tow astern is（）.A
the catenary dragging on the bottomB
swamping of the towC
the tow tending to diveD
yaw
考题
单选题The choice of length of tow bridle legs is governed by the（）.A
expected towing forcesB
capability of retrieving gearC
freeboard of the unit being towedD
need to reduce yaw
考题
单选题An ocean towing bridle whose legs are of equal length，but too short，may（）.A
fail to provide spring in the hawserB
cause unequal distribution of the load to one legC
cause the bridle legs to jump clear of the chocks or fairleadsD
None of the above
考题
单选题If the towing bridle legs are not of equal length（）.A
excessive strain is placed on the shorter legB
the shorter leg may failC
the longer leg is slackD
All of the above
考题
单选题What is used to prevent twisting of a towing bridle?（）A
A bittB
A bulkheadC
A V-springD
A fishplate
考题
单选题A chain bridle is used when towing astern because it（）.A
is easy to connectB
provides an effective catenary and absorbs shock due to its weightC
makes rigging a swivel unnecessaryD
prevents the tow from yawing by the drag of the chains in a seaway
考题
单选题The MINIMUM acceptable size for a towing bridle would be that size in which the safe working load (SWL) of each leg of the bridle is equal to（）.A
one-half the SWL of the main towing hawserB
three-fourths the SWL of the main towing hawserC
that of the main towing hawserD
twice that of the main towing hawser
考题
单选题A towing vessel is tripped when（）.A
it is overtaken by the towB
it is pulled sideways by the towC
the weight of the towing hawser causes loss of maneuverabilityD
the propeller is fouled by the towing hawser
考题
单选题When connecting the tow bridle to a tug, the end of the bridle is passed with a（）.A
heaving lineB
shot lineC
high lineD
messenger line
考题
单选题In towing，heaving lines are used for（）.A
passing a tow bridle to the tugB
passing a messenger lineC
heaving in the tow bridleD
service lines with rocket line throwers
考题
单选题A power-driven vessel，when towing astern，shall show（）.A
two towing lights in a vertical lineB
a towing light in a vertical line above the sternlightC
two towing lights in addition to the sternlightD
a small white light in lieu of the sternlight
考题
单选题A chain bridle is preferable to a wire rope towing bridle on a long ocean tow because chain（）.A
is more flexible and has the ability to absorb shock because of its weightB
is less subject to wear and damage from abrasionC
requires little maintenanceD
All of the above
考题
单选题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 bowB
trim the tow by the sternC
list the tow to windwardD
adjust the length of the towing bridle
考题
单选题As seen from the tow，what should connect the leading ends of both towing bridle legs to the main towing hawser?（）A
A cable clampB
A fishplate，flounder，or towing plateC
A pad eyeD
The towing bitts
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