Manila rope is ()than sisal rope.A、cheaperB、more expensiveC、less expensiveD、cheap

Manila rope is ()than sisal rope.

  • A、cheaper
  • B、more expensive
  • C、less expensive
  • D、cheap

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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.

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

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 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

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

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

Wire rope needs ()care than hemp and manila.A、goodB、wellC、betterD、best

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

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

If the freeboard is less than 9 meters, we should rig().A、a gangwayB、a pilot ladderC、rope ladderD、gangway combined with pilot ladder

()doesn’t shrink or swell after contact with water.A、Hemp ropeB、Sisal ropeC、Manila ropeD、wooden rope

Manila is a well-known ()rope.A、natural fiberB、synthetic fiberC、moorD、manila

manila rope ()A、纤维绳B、白棕绳C、草绳D、钢丝绳

单选题Sisal rope is less strong and less flexible than ().Ahemp ropeBmanila ropeCnatural fiber ropesDwooden rope

单选题Manila is a well-known ()rope.Anatural fiberBsynthetic fiberCmoorDmanila

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In bungee jumping, you _____.Ajump as high as you canBslide down a rope to the groundCtie yourself to a rope and fallDfall without a rope

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manila rope ()A纤维绳B白棕绳C草绳D钢丝绳

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Manila rope is ()than sisal rope.AcheaperBmore expensiveCless expensiveDcheap