We must（）the mooring lines when the tide rises and falls.A、slack awayB、take onC、take inD、adjust
We must（）the mooring lines when the tide rises and falls.
- A、slack away
- B、take on
- C、take in
- D、adjust
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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
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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
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Get ready the mooring machinery, mooring lines and the gangway for （）.Aloading cargoBarrival in portCdeparture from portDunloading cargo
单选题In the constant-tension mooring, the mooring lines holding the ship to the pier will maintain a constant tension even with changes in tide or ship’s draft, （）.Awithout the necessity of manually adjusting the linesBwithout the necessity of automatically adjusting the linesCwith the necessity of manually adjusting the linesDwith the un-necessity of automatically adjusting the lines
单选题A metal object on the pier resembling a tree stump and made to receive mooring lines is a（）.AbightBbollardCchockDcamel
单选题You should （）the mooring lines at the same time when the wind is big.AfastenBslackCfastDslacken
单选题When you keep a gangway watch, you should （）the mooring lines according to the rise and fall of the tide.AadjustedBadjustingCadjustsDadjust
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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
单选题One method of controlling rats on vessels is by rat-proofing. Rat-proofing is accomplished by （）.Ainstalling rat guards on the mooring lines when in portBkeeping foods protected and avoiding the accumulation of garbageCeliminating possible living spaces for rats when the ship is constructedDtrapping and/or poisoning the rats
单选题A ship is made fast to the quayside （）mooring lines.AbyBtoCwithDfor