Mooring lines should be turned end-for-end occasionally. This is because ______.A.a line is weakened by constantly pulling on it in one directionB.normal wear on the line is thus distributed to different areasC.it prevents the line from kinking or unlayingD.it prevents permanent misalignment of the line’s internal strands
Mooring lines should be turned end-for-end occasionally. This is because ______.
A.a line is weakened by constantly pulling on it in one direction
B.normal wear on the line is thus distributed to different areas
C.it prevents the line from kinking or unlaying
D.it prevents permanent misalignment of the line’s internal strands
相关考题：
Mooring winch should be equipped with mechanical brakes capable of holding ______.A.half the breaking strength of the mooring lineB.the full breaking strength of the mooring lineC.the maximum expected tension of the mooring lineD.50% over the working tension of the mooring line
Mooring winch should be equipped with mechanical brakes which are capable of holding ______.A.half the breaking strength of the mooring lineB.the full breaking strength of the mooring lineC.the maximum expected tension of the mooring lineD.50% over the working tension of the mooring line
A storm is forecast for the area where your vessel is moored. For its safety you should put ______.A.more slack in the mooring linesB.a strain on the mooring linesC.chafing gear on the mooring linesD.grease on the mooring lines
Where do fatigue failures of wire rope mooring lines usually occur ________．A.In the middle part of the line lengthB.Near the socketed end fitting adjacent to the anchorC.At the point where the line touches the bottomD.At the place the anchor buoy is attached to the line
If two mooring lines are to be placed on the same bollard，which method is BEST?______.A.Place the eye from the forward line on the bollard and then place the eye from the second line directly over the firstB.It makes no difference how the lines are placedC.Place the eye from either line on the bollard，and then bring the eye of the other line up through the eye of the first，and place it on the bollardD.Place both eyes on the bollard，in any manner，but lead both lines to the same winch head on the vessel and secure them on the winch
In order to pay out or slack a mooring line which is under strain, you should ______.A.sluice the lineB.surge the lineC.stopper the lineD.slip the line
You should （松）（）the mooring lines at the same time when the wind is big.A、fastenB、slackC、fastD、slacken
The （）(系泊缆绳)consist of a head line ,two breast lines, two spring lines and a stern line.A、moor linesB、mooring linesC、unmoor linesD、unmooring lines
他们应该照看系泊缆绳。（）A、They should take care of the mooring lines.B、They should take care of the gangway.C、They should take care of anchors.D、They should take care of anchor chains.
及时调整缆绳。（）A、Adjust the mooring lines on time.B、Adjust the mooring lines in time.C、Adjust the mooring lines quickly.D、Adjust the mooring lines slowly.
单选题If a mooring line should part while you are tying up at a dock，you should make a temporary eye by tying a（）.Abecket bendBclove hitchCbowlineDsquare knot
单选题他们应该照看系泊缆绳。（）AThey should take care of the mooring lines.BThey should take care of the gangway.CThey should take care of anchors.DThey should take care of anchor chains.
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In order to pay out or slack a mooring line which is under strain，you should（）.Asluice the lineBsurge the lineCstopper the lineDslip the line
单选题Two mooring lines may be placed on the same bollard and either one cast off first if（）.Athe eye of the second line is dippedBthe mooring lines are doubledCthe bollard has two hornsDone of the lines is a breast line
单选题What is likely to occur when you are surging synthetic mooring lines on the gypsyhead during mooring operations?（）AThe lines may jam and then jump off the gypsyheadBIf there is sudden strain on the line，the man tending the line may be pulled into the gypsyheadCThe lines' surging may cause the vessel to surgeDThe heat generated may cause the lines to temporarily fuse to the gypsyhead
单选题You are handling a mooring line and are instructed to Check the line.What should you do（）.AEnsure the bight is not fouled by taking up slackBPay out the line smartly and keep it free for runningCSecure the line by adding more turnsDSurge the line so it maintains a strain without parting
单选题A Chinese stopper (two lines) will hold best when you（）.Afasten the bitter ends to the mooring line with half hitchesBtwist the ends together and hold them in the direction of the pullCtwist the ends together and hold them in the direction opposite to the pullDtwist the ends together and hold them at right angles to the mooring line
单选题You should （）the mooring lines at the same time when the wind is big.AfastenBslackCfastDslacken
单选题An anchor winch should be equipped with mechanical brakes capable of holding（）.Ahalf the breaking strength of the mooring lineBthe full breaking strength of the mooring lineCthe maximum expected tension of the mooring lineD50% over the working tension of the mooring line
单选题If two mooring lines are to be placed on the same bollard，which method is BEST?（）.APlace the eye from the forward line on the bollard and then place the eye from the second line directly over the firstBIt makes no difference how the lines are placedCPlace the eye from either line on the bollard，and then bring the eye of the other line up through the eye of the first，and place it on the bollardDPlace both eyes on the bollard，in any manner，but lead both lines to the same winch head on the vessel and secure them on the winch
单选题When you keep a gangway watch, you should （）the mooring lines according to the rise and fall of the tide.AadjustedBadjustingCadjustsDadjust
单选题Mooring lines should be turned end-for-end occasionally. This is because（）.Aa line is weakened by constantly pulling on it in one directionBnormal wear on the line is thus distributed to different areasCit prevents the line from kinking or unlayingDit prevents permanent misalignment of the line's internal strands
单选题A storm is forecast for the area where your vessel is moored. For its safety you should put （）.Amore slack in the mooring linesBa strain on the mooring linesCchafing gear on the mooring linesDgrease on the mooring lines
单选题When moored with a Mediterranean moor，the ship should be secured to the pier by having（）.Aa stern line and two quarter lines crossing under the sternBa stern line，2 bow lines，and 2 quarter lines leading aft to the pierCall regular lines leading to the pier in opposition to the anchorDtwo bow lines and two midship lines leading aft to the pier
单选题Which statement is TRUE about placing the eyes of two mooring lines on the same bollard?（）APut one line at the low point and one at the high point of the bollard so they don't touchBTake the eye of the second line up through the eye of the first line before putting the second line on the bollardCNever put two mooring lines on the same bollardDThe mooring line forward should be put on the bollard first