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单选题
Which mooring line has the least elasticity?（）
A
Dacron
B
Nylon
C
Esterlene
D
Polypropylene
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Which statement is TRUE about the use of a“gob rope”________．A.The gob rope is a mooring line for tying up lighters for working cargo alongside a vessel anchored in an open roadsteadB.The gob rope is used to secure the towline aft over the centerline of a tugC.The gob rope is a line hung over a vessel's side to assist in boardingD.The gob rope is a rope used in mooring a vessel to a buoy
考题
The indication of a slipping anchor is a（n）______．A.Decrease in mooring line lengthB.Increase in the opposite amperageC.Increase in the opposite line tensionD.Decrease in mooring line tension and amperage
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
A fault line runs the length of New Zealand,which means that（）Ait often has stormsBit often has volcanoesCit often has earthquakesDit often has droughts
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A fault line runs the length of New Zealand,which means that（）A、it often has stormsB、it often has volcanoesC、it often has earthquakesD、it often has droughts
考题
单选题You need to make a fixed loop at the end of a line in order to use the line as a mooring line. You have insufficient time to make a splice. Which knot should you use?（）.A
Clove hitchB
Fisherman's bendC
BowlineD
Round-turn and two half hitches
考题
单选题A mooring line leading at nearly right angles to the keel is a（）.A
bow lineB
breast lineC
spring lineD
stern line
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（）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
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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Which knot reduces the strength of a line by the LEAST amount（）.A
BowlineB
Clove hitchC
Sheet bendD
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单选题A fault line runs the length of New Zealand,which means that（）A
it often has stormsB
it often has volcanoesC
it often has earthquakesD
it often has droughts
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单选题Which mooring line is likely to undergo the most strain when docking a ship under normal conditions?（）A
Bow lineB
Breast lineC
Spring lineD
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单选题Living in the western part of the country has its problems, ______ obtaining fresh water is not the least.A
with which B
for which C
of which D
which
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单选题The indication of a slipping anchor is a(n)（）.A
decrease in mooring line lengthB
increase in the opposite amperageC
increase in the opposite line tensionD
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考题
单选题Which of the following is not the duty of the sailor on gangway watch? （）A
Noticing rise and fall of the tide.B
Adjusting the mooring line.C
Discharging cargoes.D
Receive visitors
考题
单选题Mooring with two bow anchors has which major advantage over anchoring with one bow anchor? （）.A
The vessel will not reverse direction in a tidal currentB
The radius of the vessel's swing will be shortenedC
A mooring approach may be made from any directionD
The vessel will not swing with a change in wind
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A “spring line” is（）.A
any wire rope used for mooringB
a fire-warpC
a mooring line running diagonally to the keelD
a mooring line perpendicular to the keel
考题
单选题Which statement is TRUE with respect to the elasticity of nylon mooring lines?（）.A
Nylon can stretch over forty percent without being in danger of partingB
Nylon can be elongated by one-hundred percent before it will partC
Nylon will part if it is stretched any more than twenty percentD
Under load，nylon will stretch and thin out but will return to normal size when free of tension
考题
单选题Which tackle arrangement has the LEAST mechanical advantage（）.A
Single whipB
Gun tackleC
Luff tackleD
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考题
单选题What is normally used to pass a mooring line to a dock?（）A
Distance lineB
GantlineC
Heaving lineD
Tag line
考题
单选题Which mooring line prevents sideways motion of a vessel moored to a pier（）.A
A line led forward from the bowB
A line led aft from the bowC
A line led in the same direction as the keelD
A line led at a right angle to the keel
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