Wire rope should be greased ()when not in use.A、every half a monthB、every month or twoC、every half a yearD、every year
Wire rope should be greased ()when not in use.
- A、every half a month
- B、every month or two
- C、every half a year
- D、every year
相关考题:
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
Which statement concerning the lashings of containers with solid bar or wire rope lashings is TRUE ________.A.Stack weights should be less when using a solid bar lashing as compared to a wire lashingB.Stack heights may be increased when using a solid bar lashingC.Stack heights should be reduced when using a solid bar lashingD.Solid bars should be used for lashing the first tier only,with wire lashings on the higher tier(s)
If wire rope clips are used to make a joint in a wire lashing,be sure that ______.A.the saddle portion of the clip should be applied to the live load segment and the U-bolt to the dead or shortened end segmentB.the saddle portion and the U-bolt of the clip should be applied to the dead or shortened endC.neither the saddle portion nor the U-bolt of the clip should be applied to the live load segmentD.the U-bolt of the clip should be applied to the live load segment and the saddle portion to the dead or shortened end segment
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
Chafing gear should be placed______.A.at all wearing points of mooring linesB.around running riggingC.on wire rope only forcesD.at the bitter ends of all standing rigging
If kinking results while wire rope is being coiled clockwise, you should______.A.coil it counterclockwiseB.not coil itC.take a turn underD.twist out the kinks under a strain
()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
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()should be greased every month or two and it should be kept on a reel when not in use.AWire ropeBHemp ropeCNylon ropeDWooden rope
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On your vessel,a wire rope for the cargo gear shows signs of excessive wear and must be replaced. In ordering a new wire for this 10-ton boom,what safety factor should you use?()AThreeBFiveCSixDSeven
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Which statement concerning the lashings of containers with solid bar or wire rope lashings is TRUE? ()AStack weights should be less when using a solid bar lashing as compared to a wire lashingBStack heights may be increased when using a solid bar lashingCStack heights should be reduced when using a solid bar lashingDSolid bars should be used for lashing the first tier only,with wire lashings on the higher tier(s)
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If kinking results while wire rope is being coiled clockwise,you should().Acoil it counterclockwiseBnot coil itCtake a turn underDtwist out the kinks under a strain
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