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单选题
manila rope （）
A
纤维绳
B
白棕绳
C
草绳
D
钢丝绳
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考题
Serving is ______.A.marline or ratline wound along the grooves of a ropeB.narrow strips of light canvas or cotton cloth spiral-wrapped along the ropeC.marline tightly wound on the rope by means of a board or malletD.a splice made by laying the strand of one rope into the vacated grooves of another rope
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
Which molten substance is poured into the basket of a wire rope socket being fitted to the end of a wire rope ________．A.BabbittB.BronzeC.LeadD.Zinc
考题
An advantage of nylon rope over manila rope is that nylon rope ______.A.can be used in conjunction with wire or spring-lay ropeB.can be stored on decks exposed to sunlightC.can hold a load even when a considerable amount of the yarns have been abradedD.gives audible warning of overstress whereas manila does not
考题
Ropes can be divided into three types: （）.A、natural fiber rope, manila rope and synthetic ropeB、natural fiber rope, synthetic rope and wire ropeC、synthetic rope, manila rope and wire ropeD、synthetic rope, manila rope and wooden rope
考题
Sisal rope is less strong and less flexible than （）.A、hemp ropeB、manila ropeC、natural fiber ropesD、wooden rope
考题
Sisal rope is （）than manila rope.A、stronger and more flexibleB、less strong and less flexibleC、less strong and more flexibleD、more strong and less flexible
考题
单选题Sisal rope is less strong and less flexible than （）.A
hemp ropeB
manila ropeC
natural fiber ropesD
wooden rope
考题
单选题When securing a hook to the end of a wire rope you should use（）.A
A bowline knotB
A long spliceC
An overhand knot with a wire rope clipD
Wire rope clips with a thimble eye
考题
单选题The strongest method of forming an eye in wire rope is using（）.A
three wire rope clampsB
an eye splice with four or five tucksC
a thimble fastened with four or five tucksD
a wire rope socket attached with zinc
考题
单选题In the manufacture of wire rope，if the wires are shaped to conform to the curvature of the finished rope before they are laid up，the rope is called（）.A
compositeB
left-layC
improvedD
preformed
考题
单选题Compared to manila line,size for size, nylon line（）.A
has less strength than manila lineB
has more strength than manila lineC
is equivalent to manila lineD
will rot quicker than manila line
考题
单选题An advantage of nylon rope over manila is that nylon rope（）.A
can be used in conjunction with wire or spring-lay ropeB
can be stored on decks exposed to sunlightC
can hold a load even when a considerable amount of the yarns have been abradedD
gives audible warning of overstress whereas manila does not
考题
单选题In bungee jumping, you _____.A
jump as high as you canB
slide down a rope to the groundC
tie yourself to a rope and fallD
fall without a rope
考题
单选题The main function of the core of a wire rope is to（）.A
give flexibilityB
support the strands laid around itC
allow some circulation around the strandsD
allow lubrication inside the rope
考题
单选题Serving is（）.A
marline or ratline wound along the grooves of a ropeB
narrow strips of light canvas or cotton cloth spiral-wrapped along the ropeC
marline tightly wound on the rope by means of a board or malletD
a splice made by laying the strand of one rope into the vacated grooves of another rope
考题
单选题What is an advantage of having wire rope with a fiber core over that of a wire rope of the same size with a wire core（）.A
Fiber core rope offers greater strengthB
Fiber core rope offers greater flexibilityC
Fiber core rope can be used at higher operating temperaturesD
Fiber core rope is the only type authorized for cargo runners
考题
单选题An advantage of nylon rope over manila rope is that nylon rope（）.A
can hold a load even when a considerable number of the yarns have been abradedB
can be stored on deck，exposed to sunlightC
can be used in conjunction with wire or spring-lay ropeD
gives audible warning of overstress whereas manila does not
考题
单选题The cheek length of a block in inches should be about（）.A
three times the circumference of a manila lineB
five times the diameter of a manila lineC
twice the diameter of its sheaves for manila lineD
twenty times the diameter of a manila line
考题
单选题The telegram AFTER UNLOADING PROCEED MANILA IN BALLAST indicates that the ship will proceed to Manila（）.A
with dangerous cargoB
for dischargingC
with no cargo on boardD
for taking ballast
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