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单选题
A mooring line that checks forward motion of a vessel at a pier is a（）.
A
bow line
B
forward bow line
C
stern line
D
stern breast line
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考题
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考题
单选题A mooring line leading 45°to the keel，used to check forward or astern movement of a vessel，is called a（）.A
spring lineB
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bow lineD
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单选题You see a vessel displaying three lights in a vertical line.The highest and lowest lights are red and the middle light is white.She is also showing a white light at the stern，which is lower than the forward light.It could be a（）.A
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Vessel not under commandC
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单选题During storm conditions on a vessel，the mooring tensions should be adjusted so that（）.A
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单选题A mooring line that prevents a vessel from moving sideways away from the dock is a（）.A
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The lines may jam and then jump off the gypsyheadB
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The lines' surging may cause the vessel to surgeD
The heat generated may cause the lines to temporarily fuse to the gypsyhead
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单选题A power-driven vessel towing another vessel astern (tow less than 200 meters) shall show （）.A
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two towing lights in a vertical line at the sternD
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单选题A situation has occurred in which your vessel must be towed. When the towing vessel passes the towing line to you，you should secure the line（）.A
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to the forward-most bittsC
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单选题Vessels lying afloat at buoys for more than 24 hours should use anchor chain for（）and insurance wire for（）.A
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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
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考题
单选题The indication of a slipping anchor is a(n)（）.A
decrease in mooring line lengthB
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increase in the opposite line tensionD
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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
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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
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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 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
考题
单选题A vessel towing is showing three forward white masthead lights in a vertical line. This means that the length of the（）.A
towing vessel is less than 50 metersB
towing vessel is greater than 50 metersC
tow is less than 200 metersD
tow is greater than 200 meters
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