A common class of wire rope is the 6X37 class.What does the 37 represent（）.

相似题目

• When pushing ahead，wires leading from the quarters of the after outboard barges to the bow of a towboat（）.

  A . prevent the towboat from sliding when the rudder is moved B . prevent the barges from spreading out when backing down C . hold the towboat securely to the barges D . prevent the sidewise movement of the face barge

  查看最佳答案

• A circuit that has one wire in contact with the hull of the ship is a（）

  A . series circuit B . grounded circuit C . short circuit D . closed circuit

  查看最佳答案

• When anchoring,it is a common rule of thumb to use a length of chain（）.

  A . five to seven times the depth of water B . seven to ten times the depth of water C . twice the depth of water D . twice the depth of water plus the range of tide

  查看最佳答案

• 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?（）

  A . Three B . Five C . Six D . Seve

  查看最佳答案

• When securing a hook to the end of a wire rope you should use（）.

  A . A bowline knot B . A long splice C . An overhand knot with a wire rope clip D . Wire rope clips with a thimble eye

  查看最佳答案

• When using a lightning arrestor， connect which type of ground wire to a good earth ground？（）

  A . #6 solid copper B . #12 solid copper C . #20 solid copper D . #22 solid copper

  查看最佳答案

• A rope made of a combination of wire and fiber is known as（）.

  A . independent B . lang lay C . preformed D . spring lay

  查看最佳答案

• A diesel engine which is rated for normal operation at a crankshaft speed of 800 RPM, is commonly classed as a （）.

  A . slow-speed diesel B . medium-speed diesel C . high-speed diesel D . constant-speed diesel

  查看最佳答案

• A common class of wire rope used for mooring is the 6x19 class. What does the 6 represent?（）

  A . Factor of safety B . Number of wires per strand C . Number of strands per wire rope D . Number of wires in the core

  查看最佳答案

• 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（）.

  A . Fiber core rope offers greater strength B . Fiber core rope offers greater flexibility C . Fiber core rope can be used at higher operating temperatures D . Fiber core rope is the only type authorized for cargo runner

  查看最佳答案

• A direct current passing through a wire coiled around a soft iron core is the description of a simple（）.

  A . magnetic shield B . electromagnet C . piezoelectric device D . electromagnetic domai

  查看最佳答案

• A device fitted over the discharge opening on a relief valve consisting of one or two woven wire fabrics is called a（）.

  A . flame stopper B . flame screen C . flame filter D . flame restrictor

  查看最佳答案

• 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

  查看最佳答案

• If you were to pass a stopper on a wire rope，what should the stopper be made of（）.

  A . Wire B . Manila C . Nylon D . Chai

  查看最佳答案

• It's a common wish of all（）in a peaceful world.

  A . live B . living C . lived D . tolive

  查看最佳答案

• A device commonly used to secure the pendant wire when it is initially passed to an anchor handling vessel is（）.

  A . pelican hook B . connecting link C . shackle D . retaining hook

  查看最佳答案

• A common means of connecting shots of anchor chain in the field is to use a（）.

  A . sprocket B . Kenter link C . swivel D . end shackle

  查看最佳答案

• The electric wires in a house____with some kind of insulation.

  查看最佳答案

• (I) A share of common stock in a firm represents an ownership interest in that firm. (II) A share of preferred stock is as much like a bond as it is like common stock.

  查看最佳答案

• Radio is one of __________ means of sending news and information. A．the most common B. the commonest C. more common D. common

  查看最佳答案

• For much of the class time, students are put into groups of different sizes. The most common student groupings are（）

  A.whole class work B.pair work C.group work D.individual work 此题为多项选择题。

  查看最佳答案

• A company has issued only one class of common shares and it does not pay dividends on them. It has also issued two types of preference shares - one that is putable and the other callable -and both hav

  A、Common shares. B、Putable preference shares. C、Callable preference shares.

  查看最佳答案

• Paraphrsing is a kind of common speaking strategy.（）

  是 否

  查看最佳答案

• The par value of the common stock of a large listed corporation （).

  A．A.Tends to establish a ceiling for the market price of the stock. B．B.Tends to establish a floor for the market price of the stock. C．C.Represents legal capital and is not related to the market price of the stock. D．D.Is increased by net income and decreased by dividends.

  查看最佳答案