单选题Cable tension for catenary calculations is taken at the（）.Achain lockerBfairleadCanchorDcontact point of chain with seabed
单选题
Cable tension for catenary calculations is taken at the（）.
A
chain locker
B
fairlead
C
anchor
D
contact point of chain with seabed
参考解析
解析：
暂无解析
相关考题：
The major components which determine the length of catenary in a deployed anchor cable are water depth，cable tension，and ______.A.environmental forcesB.bottom conditionsC.cable weightD.water density
An on-load release system on a survival craft means the cable can be released ______.A.only when the load is taken off the cableB.only when there is a load on the cableC.only when activated by the controls at the lowering stationD.at any time
Which of the following is the proper order for powering off and on network components?（）A、Computer cable modem routerB、Cable modem router computerC、Cable modem computer routerD、Router cable modem computer
对各向同性材料，应变的三种基本类型是（）A、tension，shear and compression；B、tension，shear and torsional deformation；C、.tension，shear and flexural deformation
An administrator is working on a rack mount server with all newly installed equipment. Theuninterruptible power supply （UPS） in the rack starts beeping loudly. Which of the following is the FIRST troubleshooting step that should be taken？（）A、Ensure that the power cable for the UPS is plugged in.B、Ensure the battery in the UPS is still good.C、Check the smart cable connecting the UPS to the server.D、Reset the UPS to determine if the problem persists.
单选题The tension on an anchor cable increases so that the angle of the catenary to the seabed at the anchor reaches 10°. How will this affect the anchor in sandy soil?（）AIt will have no effectBIt will increase the holding powerCIt will reduce the holding powerDIt will cause the anchor to snag
单选题During storm conditions on a vessel，the mooring tensions should be adjusted so that（）.Aall mooring lines have a different tensionBthe leeward lines have higher tension than the windward linesCthe maximum tension of the most heavily loaded line does not exceed the safe working loadDall horizontal tension forces on the windward lines are no greater than the vertical tension forces
单选题（）is put into use in the late years to maintain a preset tension in a mooring line after a ship has been tied up at a pier.AThe large-tension mooringBThe small-tension mooringCThe variable-tension mooringDThe constant-tension mooring
单选题An advantage of the Christmas Tree towing method is to（）.Aincrease the towing hawser's catenary and provide more springBreduce catenary，allow operation in shallower water，and to release one barge without breaking up the entire towCenable one tug and its crew without any outside assistance to make up or break down the towDprovide rapid delivery of logs from the northwestern United States to Hawaiian sawmills
单选题In an automatic mooring winches, the wire is paid off the barrel at（） a tension and is recovered at（）tension.Alower；igherBmaximum；higherCpredetermined minimum；higherDpredetermined maximum；lower
单选题Which statement is TRUE concerning hawser towing? （）AThe catenary in a hawser should be sufficient so that the hawser just touches the bottomBThe hawser is of sufficient length for towing when taut between tug and towCIncreasing speed usually increases the catenary in the hawserDShortening the tow hawser generally decreases the maneuverability of the tug
单选题Transverse stability calculations require the use of（）.Ahog or sag calculations or tablesBhydrostatic curvesCgeneral arrangement plansDcross-sectional views of the vessel
单选题The holding power of an anchor increases when the（）.Aamount of chain lying along the bottom increasesBlength of the catenary is reducedCmooring line tension is increasedDamount of chain lying along the bottom decreases
单选题The major components which determine the length of a catenary in a deployed anchor cable are water depth，cable weight，and（）.Acable tensionBwater temperatureCbottom conditionsDwater density
单选题What is the holding power ratio of an anchor? （）AMaximum mooring line tension divided by the anchor's weight in airBAnchor's weight in air divided by the maximum mooring line tensionCPreloading tension divided by the anchor's weight in airDOperating tension divided by the anchor's weight in air
单选题The holding power of an anchor at a given scope of cable increases when the（）.Aamount of chain lying along the bottom increasesBlength of the catenary is reducedCmooring line tension is increasedDamount of chain lying along the bottom decreases
单选题To safely anchor a vessel there must be sufficient scope in the anchor cable. Scope is the ratio of（）.Aweight of cable to weight of vesselBweight of cable to weight of anchorClength of anchor to depth of waterDlength of cable to depth of water
单选题A burner responsible for producing black smoke in an automatic auxiliary boiler, would be caused by a （）Adefective solenoid valveBdirty fuel nozzleCgrounded high tension leadDfaulty ignition cable connector
单选题The most doubtful and unpredictable factor in a mooring system is the（）.Aability of the anchors to hold in a seabedBanchor chain catenary lengthCvariability of the fairleadDangle of the flukes
单选题An on-load release system on a survival craft means the cable can be released（）.Aonly when the load is taken off the cableBonly when there is a load on the cableConly when activated by the controls at the lowering stationDat any time
单选题Catenary as applied to tow lines denotes the（）.Adip of the lineBstretch of the lineCstrain on the lineDlength of the line
单选题The catenary in a towline is（）.Aa short bridleBthe downward curvature of the hawserCanother name for a pelican hookDused to hold it amidships
单选题Which statement concerning an automatic towing engine is FALSE? （）AIt automatically maintains tow line tensionBIt prolongs the life of the hawser by distributing chafing as the hawser is paid out and taken inCAs tension on the hawser increases，more line is taken in by the automatic towing engineDAs tension on the hawser decreases，more line is taken in by the automatic towing engine
单选题The major components which determine the length of catenary in a deployed anchor cable are water depth，cable tension，and（）.Aenvironmental forcesBbottom conditionsCcable weightDwater density