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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 hawser
B
three-fourths the SWL of the main towing hawser
C
that of the main towing hawser
D
twice that of the main towing hawser
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更多 “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” 相关考题
考题
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
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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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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
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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
考题
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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A vessel towing a barge astern would show,at the stern().A
only a stern lightB
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two towing lights in a vertical lineD
two white lights in a vertical line
考题
单选题The biggest problem encountered when towing bridle legs are too short is().A
retrievalB
adjusting tensionC
excessive strainD
hookup to main towline
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
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passing a tow bridle to the tugB
passing a messenger lineC
heaving in the tow bridleD
service lines with rocket line throwers
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SmallB
MediumC
LargeD
ExtraSmall
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 vessel aground would show the same dayshape as a().A
vessel towing a submerged objectB
dredge underway and dredgingC
hydrographic survey vessel at anchor and surveyingD
None of the above
考题
单选题Which of the following information would be on a system classification list? ()A
Disk drive sizeB
IP addressC
Acceptable outage timeD
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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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