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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, （）.
A
without the necessity of manually adjusting the lines
B
without the necessity of automatically adjusting the lines
C
with the necessity of manually adjusting the lines
D
with the un-necessity of automatically adjusting the lines
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更多 “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, （）.A without the necessity of manually adjusting the linesB without the necessity of automatically adjusting the linesC with the necessity of manually adjusting the linesD with the un-necessity of automatically adjusting the lines” 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
Given the same water depth and line tension, the holding power of a 19 pound / foot wire rope mooring system in comparison to the holding power of a 90 pound / foot chain mooring system will be ______.A.weakerB.equalC.greaterD.Indeterminable
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
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（）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.A
The large-tension mooringB
The small-tension mooringC
The variable-tension mooringD
The constant-tension mooring
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We must（）the mooring lines when the tide rises and falls.A
slack awayB
take onC
take inD
adjust
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Get ready the mooring machinery, mooring lines and the gangway for （）.A
loading cargoB
arrival in portC
departure from portD
unloading cargo
考题
单选题A metal object on the pier resembling a tree stump and made to receive mooring lines is a（）.A
bightB
bollardC
chockD
camel
考题
单选题Chafing gear is used to（）.A
anchor the boatB
pick up heavy loadsC
protect fiber rope from abrasionD
strengthen mooring lines
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What is the holding power ratio of an anchor? （）A
Maximum mooring line tension divided by the anchor's weight in airB
Anchor's weight in air divided by the maximum mooring line tensionC
Preloading tension divided by the anchor's weight in airD
Operating tension divided by the anchor's weight in air
考题
单选题The holding power of an anchor is the（）.A
maximum sustained vertical load an anchor will resist before draggingB
maximum sustained horizontal load an anchor will resist before draggingC
maximum sustained vertical load an anchor will resist before the mooring line breaksD
maximum sustained horizontal load an anchor will resist before the mooring line breaks
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Given the same water depth and line tension，the holding power of a 19 pound/foot wire rope mooring system in comparison to the holding power of a 90 pound/foot chain mooring system will be（）.A
weakerB
equalC
greaterD
indeterminable
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
考题
单选题To develop maximum anchor holding power，the optimum angle between the anchor’s shank and the mooring lines is（）.A
0 degreesB
10 degreesC
20 degreesD
30 degrees
考题
单选题A ship is made fast to the quayside （）mooring lines.A
byB
toC
withD
for
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