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
单选题
A six-strand composite rope made up of alternate fiber and wire strands around a fiber core is called（）.
A
Spring lay
B
Lang lay
C
Cable lay
D
Alternate lay
参考解析
解析：
暂无解析
相关考题：
Passage TwoThere was a big pile of bricks on the top of a tall building and a manhad to bring them down to the ground. He had a long rope which went over a pulley(滑轮) at the roof of the building. The other end was fastened to a big box.First he pulled the box up to the top of the building, and fastened the end of the rope so that thebox could not come down. Then he climbed up the ladder and filled the box with bricks. Nexthe climbed down the ladder and untied the rope. Unfortunately the box of bricks was heavier thanthe man, and as a result he was pulled up by the: rope. Half-way up, the box of bricks hit him as it was coming down.When he reached the top, his head hit the pulley. The box of bricks hit the ground and broke.As a result the bricks fell out. The box was then lighter than the man and consequently he beganto come down and the box began to go up.Half-way up, the box hit the man. The man still held on to the rope and the box therefore Continued togo up. The man then reached the ground. Then he let go the rope to rub his head. The box, ofcourse, then fell down and hit the man on the head again. As a result, an ambulance came and tookhim to hospital40. Why did the man fasten the end of the rope before he climbed up the ladder?A. He was afraid that someone would steal his box.B. Because he wanted to climb up along the rope.C. He fastened the end of the rope in order to keep the box unmoved.D. Because he wanted to prevent the box from coming down.
After Wellman pulls himself up the rope, Corbett backtracks to _______ the spikes and climbs up again. A.respireB.recoverC.resolveD.remove
The medical team is ______ two doctors and two nurses.A. made ofB. made up ofC. made fromD. made up
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
A natural fiber rope can be ruined by dampness because it may ______.A.rotB.shrinkC.stretchD.unlay
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
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
Chafing gear(防摩擦装置) is used to______．A.anchor the boatB.pick up heavy loadsC.protect fiber rope from abrasionD.strengthen mooring lines
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
船舶由船体和上层建筑组成。（）A、A vessel is made up of the hull and the superstructure.B、A vessel is made up of the hull and the bridge.C、A vessel is made up of the hull and the forecastle.
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In order to help protect a natural fiber rope from rotting，the line must be（）.Adried，and stowed in a place with adequate ventilationBstowed in a hot，moist compartmentCstowed on deck at all timesDstowed in any compartment
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Chafing gear is used to（）.Aanchor the boatBpick up heavy loadsCprotect fiber rope from abrasionDstrengthen mooring lines
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Serving is（）.Amarline or ratline wound along the grooves of a ropeBnarrow strips of light canvas or cotton cloth spiral-wrapped along the ropeCmarline tightly wound on the rope by means of a board or malletDa splice made by laying the strand of one rope into the vacated grooves of another rope
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The drowning boy made a _____ attempt to catch the rope thrown to him.AdangerousBgracefulCgentleDdesperate
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
单选题A rope made of a combination of wire and fiber is known as（）.AindependentBlang layCpreformedDspring lay
单选题A fiber rope can be ruined by dampness because it may（）.ArotBshrinkCstretchDunlay