（）is the strongest and the most elastic of all the synthetic fiber ropes.A、Hemp ropeB、Wire ropeC、Nylon ropeD、wood rope
（）is the strongest and the most elastic of all the synthetic fiber ropes.
- A、Hemp rope
- B、Wire rope
- C、Nylon rope
- D、wood rope
相关考题：
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
Whipping the bitter end of a fiber rope ______．A.increases the circumference of the ropeB.makes for easier handlingC.prevents fraying of the bitter endD.prevents moisture from entering the bitter end
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
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
（）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
Nylon rope is the strongest and most elastic of all the （）ropes.A、synthetic fiberB、natural fiberC、wireD、wooden
（）doesn’t shrink or swell after contact with water.A、Hemp ropeB、Sisal ropeC、Manila ropeD、wooden rope
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（）is the strongest and the most elastic of all the synthetic fiber ropes.AHemp ropeBWire ropeCNylon ropeDwood rope
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Nylon rope is the strongest and most elastic of all the （）ropes.Asynthetic fiberBnatural fiberCwireDwooden
单选题Ropes can be divided into three types: （）.Anatural fiber rope, manila rope and synthetic ropeBnatural fiber rope, synthetic rope and wire ropeCsynthetic rope, manila rope and wire ropeDsynthetic rope, manila rope and wooden rope
单选题Safety goggles or glasses are NOT normally worn when（）.Ausing a rotary grinder with an installed shieldBletting go the anchorChandling wire rope or natural fiber lineDpainting with a spray gun
单选题An advantage of nylon rope over manila is that nylon rope（）.Acan be used in conjunction with wire or spring-lay ropeBcan be stored on decks exposed to sunlightCcan hold a load even when a considerable amount of the yarns have been abradedDgives audible warning of overstress whereas manila does not
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To clean a dirty fiber towing hawser used in ocean towing，you should（）.Ause lye or other mild detergentBwash it with fresh water，dry and store itCwash it with salt waterDuse cleaning fluid on nylon，dacron and other synthetic lines
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An advantage of nylon rope over manila rope is that nylon rope（）.Acan hold a load even when a considerable number of the yarns have been abradedBcan be stored on deck，exposed to sunlightCcan be used in conjunction with wire or spring-lay ropeDgives audible warning of overstress whereas manila does not
单选题A rope made of a combination of wire and fiber is known as（）.AindependentBlang layCpreformedDspring lay
单选题A six-strand composite rope made up of alternate fiber and wire strands around a fiber core is called（）.ASpring layBLang layCCable layDAlternate lay