Wire rope needs （）care than hemp and manila.A、goodB、wellC、betterD、best
Wire rope needs （）care than hemp and manila.
- A、good
- B、well
- C、better
- D、best
相关考题：
The advantage(s) of using wire rope lashing on vehicles aboard Ro-Ro vessels is that it__.A.is lighter than chainB.has a good working lifeC.is not affected by temperatureD.All of the above
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
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
What is the accepted standard for wire rope falls used in connection with the lifeboat gear ________．A.Six by seven galvanized wire ropeB.Six by twenty-four improved plow steel wire ropeC.Six by thirty-seven preformed fiber-core wire ropeD.Six by nineteen regular-lay filler wire rope
（）should be greased every month or two and it should be kept on a reel when not in use.A、Wire ropeB、Hemp ropeC、Nylon ropeD、Wooden rope
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
Sisal rope is less strong and less flexible than （）.A、hemp ropeB、manila ropeC、natural fiber ropesD、wooden rope
（）is the strongest and the most elastic of all the synthetic fiber ropes.A、Hemp ropeB、Wire ropeC、Nylon ropeD、wood rope
（）doesn’t shrink or swell after contact with water.A、Hemp ropeB、Sisal ropeC、Manila ropeD、wooden rope
Hemp rope rots easily when it is wet. So it is now used only for “small stuff” such as （）.A、mooring and lashing ropesB、seizing and serving ropesC、cargo-handling and seizing ropesD、wooden ropes
A （）(钢丝刷) should be used on all bare metal to remove the last of the scale.A、wire brushB、wire ropeC、wire rodD、wire rope clip
单选题When securing a hook to the end of a wire rope you should use（）.AA bowline knotBA long spliceCAn overhand knot with a wire rope clipDWire rope clips with a thimble eye
单选题The strongest method of forming an eye in wire rope is using（）.Athree wire rope clampsBan eye splice with four or five tucksCa thimble fastened with four or five tucksDa wire rope socket attached with zinc
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（）.AcompositeBleft-layCimprovedDpreformed
单选题What is the main reason to slush a wire rope?（）AKeep the wire soft and manageableBLubricate the inner wires and prevent wearCPrevent kinkingDPrevent rotting
单选题If you were to pass a stopper on a wire rope，what should the stopper be made of?（）AWireBManilaCNylonDChain
单选题What is the accepted standard for wire rope falls used in connection with the lifeboat gear?（）ASix by seven galvanized wire ropeBSix by twenty-four improved plow steel wire ropeCSix by thirty-seven preformed fiber-core wire ropeDSix by nineteen regular-lay filler wire rope
单选题A wire rope that has been overstrained will show（）.Aa bulge in the wire where the strain occurredBa decrease in diameter where the strain occurredCa kink in the wire where the strain occurredDno visible effects of an overstrain
单选题What does the term end-for-end refer to in regard to a wire towing hawser（）.ACutting off the bitter and towing ends of the wire ropeBSplicing two wire ropes togetherCRemoving the wire rope from the drum and reversing it so that the towing end becomes the bitter endDRemoving the wire rope from the drum and turning it over so that the wire bends in the opposite direction when rolled on a drum
单选题The main function of the core of a wire rope is to（）.Agive flexibilityBsupport the strands laid around itCallow some circulation around the strandsDallow lubrication inside the rope
单选题A fid is a（）.Amallet used when splicing wire ropeBsharp pointed crow bar used to unlay wire ropeCtapered steel pin used to separate wire ropeDtapered wooden pin used when splicing heavy rope
单选题Vessels lying afloat at buoys for more than 24 hours should use anchor chain for（）and insurance wire for（）.Abow mooring／stern lineBforward spring／after springCforward breast rope／forward springDslip rope／stern line
单选题What is a step in attaching a poured metal socket to a wire rope?（）AEtch the wire with acidBInstall a wire seizing on the wire that will be inside the socketCEnsure the fiber core is well lubricatedDPour molten babbitt metal into the socket
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（）.AFiber core rope offers greater strengthBFiber core rope offers greater flexibilityCFiber core rope can be used at higher operating temperaturesDFiber core rope is the only type authorized for cargo runners
单选题A rope made of a combination of wire and fiber is known as（）.AindependentBlang layCpreformedDspring lay
单选题Which will cause a wire rope to fail（）.AUsing a medium graphite grease as a lubricantBOperating a winch too slowCUsing a sheave with an undersized throatDA sheave diameter of 24 times the wire's diameter