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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 line
B
warp line
C
bow line
D
breast line
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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
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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
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A mooring line leading 45° to the keel，used to check forward or astern movement of a vessel，is called a ______.A.spring lineB.warp lineC.bow lineD.breast line
考题
A mooring line leading at nearly right angles to the keel is a ______.A.spring lineB.bow lineC.stern lineD.breast line
考题
Vessels lying afloat at buoys for more than 24 hours should use anchor chain for ______ and insurance wire for ______.A.bow mooring／stern lineB.forward spring／after springC.forward breast rope／forward springD.slip rope／stern line
考题
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
A check line is ______．A.A safety line attached to a man working over the sideB.Used to measure water depthC.Used to slow the headway of a bargeD.Used to measure the overhead height of a bridge
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
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
A line leading aft from forecastle to the shore is called（）.A、aft springB、breast lineC、stern lineD、forward spring
考题
The line leading at right angles to the （）(中线) from the forecastle to the shore is called the forward breast line.A、draftB、waterlineC、centerlineD、abeam
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What term indicates the line drawn at the top of the flat plate keel（）.A
Base lineB
Molded lineC
Designer's waterlineD
Keel 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If the coxswain of your lifeboat gives the command HOLD WATER you should（）.A
complete the stroke，raise your oar slightly，swinging the oar slightly forward，and place it in the boatB
lift the oar in a vertical positionC
complete the stroke and hold the oar out of the waterD
dip the blade of your oar into the water vertically and hold it perpendicular to the keel line
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Vessels lying afloat at buoys for more than 24 hours should use anchor chain for（）and insurance wire for（）.A
bow mooring／stern lineB
forward spring／after springC
forward breast rope／forward springD
slip rope／stern 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
单选题A mooring line that checks forward motion of a vessel at a pier is a（）.A
bow lineB
forward bow lineC
stern lineD
stern breast line
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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