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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
参考答案
更多 “ 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 ” 相关考题
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
考题
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
考题
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
考题
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
考题
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
考题
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
考题
You should (松)()the mooring lines at the same time when the wind is big.A、fastenB、slackC、fastD、slacken
考题
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
考题
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.
考题
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.
考题
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().A
becket bendB
clove hitchC
bowlineD
square knot
考题
单选题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.
考题
单选题During storm conditions on a vessel,the mooring tensions should be adjusted so that().A
all mooring lines have a different tensionB
the leeward lines have higher tension than the windward linesC
the maximum tension of the most heavily loaded line does not exceed the safe working loadD
all horizontal tension forces on the windward lines are no greater than the vertical tension forces
考题
单选题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
考题
单选题Two mooring lines may be placed on the same bollard and either one cast off first if().A
the eye of the second line is dippedB
the mooring lines are doubledC
the bollard has two hornsD
one of the lines is a breast line
考题
单选题What is likely to occur when you are surging synthetic mooring lines on the gypsyhead during mooring operations?()A
The lines may jam and then jump off the gypsyheadB
If there is sudden strain on the line,the man tending the line may be pulled into the gypsyheadC
The lines' surging may cause the vessel to surgeD
The heat generated may cause the lines to temporarily fuse to the gypsyhead
考题
单选题You are handling a mooring line and are instructed to Check the line.What should you do().A
Ensure the bight is not fouled by taking up slackB
Pay out the line smartly and keep it free for runningC
Secure the line by adding more turnsD
Surge the line so it maintains a strain without parting
考题
单选题A Chinese stopper (two lines) will hold best when you().A
fasten the bitter ends to the mooring line with half hitchesB
twist the ends together and hold them in the direction of the pullC
twist the ends together and hold them in the direction opposite to the pullD
twist the ends together and hold them at right angles to the mooring line
考题
单选题You should ()the mooring lines at the same time when the wind is big.A
fastenB
slackC
fastD
slacken
考题
单选题You should adjust the mooring lines according to the changes of()(吃水).A
waterB
draftC
tideD
sea
考题
单选题An anchor 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
考题
单选题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
考题
单选题When you keep a gangway watch, you should ()the mooring lines according to the rise and fall of the tide.A
adjustedB
adjustingC
adjustsD
adjust
考题
单选题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
考题
单选题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
考题
单选题When moored with a Mediterranean moor,the ship should be secured to the pier by having().A
a stern line and two quarter lines crossing under the sternB
a stern line,2 bow lines,and 2 quarter lines leading aft to the pierC
all regular lines leading to the pier in opposition to the anchorD
two bow lines and two midship lines leading aft to the pier
考题
单选题Which statement is TRUE about placing the eyes of two mooring lines on the same bollard?()A
Put one line at the low point and one at the high point of the bollard so they don't touchB
Take the eye of the second line up through the eye of the first line before putting the second line on the bollardC
Never put two mooring lines on the same bollardD
The mooring line forward should be put on the bollard first
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