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
An ocean towing bridle whose legs are of equal length，but too short，may ______.
A.fail to provide spring in the hawser
B.cause unequal distribution of the load to one leg
C.cause the bridle legs to jump clear of the chocks or fairleads
D.None of the above
相关考题：
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
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
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
A bridle for an ocean tow consists of ______.A.two chains of equal lengthB.a single nylon pendant rove through a heavy ring free to move on the pendantC.two long legs of wire rope shackled to a fishplateD.a single length of heavy chain with both ends secured on deck to welded pad eyes
It is not advisable to use nylon for alongside towing because it ______.A.is too expensive for everyday towing usageB.binds on the cleatsC.parts too readilyD.stretches too much
Oh, the box is too heavy（）A、What‘s in it?B、Can I help you to carry it.C、Whose is it?D、May I have a try.
单选题When towing，what is the main reason for using a chain bridle on a wire hawser（）.AIt makes for an easy connectionBIt gives a spring effect to cushion the shockCIt eliminates the necessity of a swivelDIt does not chafe
单选题One advantage of chain over wire rope for a tow bridle is that chain（）.Ais better suited for inland towingBresists damage from chafingChandles more easilyDequalizes towing forces better
单选题An ocean towing bridle should（）.Ahave equal legs of sufficient lengthBhave a large angle between the legsCbe formed on a bight of cable through a ringDnever be made up of chain
单选题To prevent vibration damage to the fuel supply line of a diesel engine, you may use （）.Aa short length of heavy duty clear plastic tubingBa length of approved flexible nonmetallic hoseCwelded flange connections for all jointsDaluminum piping with expansion loops
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? （）AAbandon the towing vesselBRadio for emergency assistanceCSlip the towline and allow it to run off the drumDSecure all watertight openings on the towing vessel
单选题The choice of length of tow bridle legs is governed by the（）.Aexpected towing forcesBcapability of retrieving gearCfreeboard of the unit being towedDneed to reduce yaw
单选题A bridle for an ocean tow consists of（）.Atwo chains of equal lengthBa single nylon pendant rove through a heavy ring free to move on the pendantCtwo long legs of wire rope shackled to a fishplateDa single length of heavy chain with both ends secured on deck to welded pad eyes
单选题On a long ocean tow，the bridle should be made up of two equal lengths of（）.AchainBwireCnylonDmanila
单选题The catenary（）.Aacts as a reserve length of towing hawser when the tug applies more power，and it dampens the surge effect of the towBgives an approximation of the amount of strain on the towing hawserCis the dip in the towing hawser between the tug and the towDAll of the above
单选题The biggest problem encountered when towing bridle legs are too short is（）.AretrievalBadjusting tensionCexcessive strainDhookup to main towline
单选题An ocean towing bridle whose legs are of equal length，but too short，may（）.Afail to provide spring in the hawserBcause unequal distribution of the load to one legCcause the bridle legs to jump clear of the chocks or fairleadsDNone of the above
单选题If the towing bridle legs are not of equal length（）.Aexcessive strain is placed on the shorter legBthe shorter leg may failCthe longer leg is slackDAll of the above
单选题What is used to prevent twisting of a towing bridle?（）AA bittBA bulkheadCA V-springDA fishplate
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（）.Aone-half the SWL of the main towing hawserBthree-fourths the SWL of the main towing hawserCthat of the main towing hawserDtwice that of the main towing hawser
单选题In towing，heaving lines are used for（）.Apassing a tow bridle to the tugBpassing a messenger lineCheaving in the tow bridleDservice lines with rocket line throwers
单选题A chain bridle is preferable to a wire rope towing bridle on a long ocean tow because chain（）.Ais more flexible and has the ability to absorb shock because of its weightBis less subject to wear and damage from abrasionCrequires little maintenanceDAll of the above
单选题A tow astern is veering from side to side on its towline. The best way of controlling the action is to（）.Atrim the tow by the bowBtrim the tow by the sternClist the tow to windwardDadjust the length of the towing bridle
单选题It is not advisable to use nylon for alongside towing because it（）.Astretches too muchBis too difficult to make fastCparts too readilyDis too susceptible to mildew
单选题It is not advisable to use nylon for alongside towing because it（）.Ais too expensive for everyday towing usageBbinds on the cleatsCparts too readilyDstrethes too much
单选题To reduce stress on the towing hawser when towing astern (ocean tow)，the hawser should be （）.Asecured to the aftermost fitting on the towing vesselBjust touching the waterCunderwaterDas short as possible
单选题As seen from the tow，what should connect the leading ends of both towing bridle legs to the main towing hawser?（）AA cable clampBA fishplate，flounder，or towing plateCA pad eyeDThe towing bitts