单选题The revolving drum of a winch used to haul lines is called a（）.Abull gearBgypsyheadCspannerDwildcat
单选题
The revolving drum of a winch used to haul lines is called a（）.
A
bull gear
B
gypsyhead
C
spanner
D
wildcat
参考解析
解析：
暂无解析
相关考题：
A(71)is used to communicate with another computer over telephone lines.A．KeyboardB．ModemC．MouseD．Printer
On an anchor windlass，the wheel over which the anchor chain passes is called a______．A.brake compressor wheelB.devil's clawC.wildcatD.winch head
Given:11. public void go(int x) {Which statement is true?() A.All of the assert statements are used appropriately.B.Only the assert statement on line 12 is used appropriately.C.Only the assert statement on line 15 is used appropriately.D.Only the assert statement on line 18 is used appropriately.E.Only the assert statements on lines 12 and 15 are used appropriately.F.Only the assert statements on lines 12 and 18 are used appropriately.G.Only the assert statements on lines 15 and 18 are used appropriately.
Lines on a chart which connect points of equal magnetic variation are called ______.A.magnetic latitudesB.magnetic declinationsC.dipD.isogonic lines
Which statement about two lines spliced together is TRUE ________．A.Splicing is used to increase the circumference of each lineB.Splicing two lines together is stronger than knotting two lines togetherC.Splicing is used to increase the overall strength of the lineD.Splicing is used to prevent rotting of the lines bitter end
材料：While berthed alongside in Tenerife，the cruise ship Arcadia was carrying out a lifeboat drill．One lifeboat was successfully launched and as it was being recovered，the winch hoisting it failed．The lifeboat was still connected to the falls and it dropped back into the sea. To investigate what had happened，the crew had to wind the falls back onto the winch drum．The lifeboat was disconnected while the crew tried to restart the winch．They were unsuccessful because of a fault on the hand crank cutout switch．The crew then attempted to wind the falls back on using the hand crank，but because of the time and effort involved，the cutout switch was bypassed and power restored to speed up the operation．The crank handle was left in place． The winch was started．It began to turn and so too did the handle which hit one of the crew over the head．The investigation found that the winch failed in the first place because the oil used in the winch gearbox was not one recommended．It was too viscose and would have prevented the coupling locking mechanism from operating correctly．问题：It was the fault on the ________ that caused the failure to recover the lift boatA.crank handleB.hand crank cutout switchC.power systemD.fallsIt was the ________ that hit the crewmember on his head．A.fallsB.hand crank cutout switchC.crank handleD.winch drumThe cause of the accident was that ________．A.the oil used in the winch gearbox was too viscoseB.the winch drum was connected with the fallsC.the life boat was too heavyD.the bypass to the cutout switch was misused by the crewThe lesson from this accident is that ________．A.seafaring is not all about facing unforeseen situationsB.it is not necessary to wear hard hats to prevent sore headsC.the wrong oil can not have serious repercussionsD.do not start lifeboat winch motors with the crank handle in place请帮忙给出每个问题的正确答案和分析，谢谢！
If two mooring lines are to be placed on the same bollard，which method is BEST?______.A.Place the eye from the forward line on the bollard and then place the eye from the second line directly over the firstB.It makes no difference how the lines are placedC.Place the eye from either line on the bollard，and then bring the eye of the other line up through the eye of the first，and place it on the bollardD.Place both eyes on the bollard，in any manner，but lead both lines to the same winch head on the vessel and secure them on the winch
23.int z=5； 24. 25. public void stuff1（int x） { 26. assert （x 0）； 27. switch（x） { 28. case 2： x= 3； 29. default： assert false； } } 30. 31. private void stuff2（int y） { assert （y 0）； } 32. 33. private void stuff3（） { assert （stuff4O）； } 34. 35. private boolean stuff4（） { z = 6； return false； } Which is true？（） A、 All of the assert statements are used appropriately.B、 Only the assert statement on line 31 is used appropriately.C、 The assert statements on lines 29 and 31 are used appropriately.D、 The assert statements on lines 26 and 29 are used appropriately.E、 The assert statements on lines 29 and 33 are used appropriately.F、 The assert statements on lines 29， 31， and 33 are used appropriately.G、 The assert statements on lines 26， 29， and 31 are used appropriately.
（）is used to communicate with another computer over telephone lines.A、 keyboardB、 modemC、 mouseD、 printer
The ultra long haul amplification technology used in ZXWM M900 system includes large-power （）technology and （）amplifier.
单选题The square knot is used for（）.Aforming temporary eyes in linesBjoining two lines of equal sizeCkeeping line from unlaying or frayingDjoining two lines of different size
单选题A gypsy or gypsyhead is a（）.Apunt used for painting over the sideBsmall, reciprocating steam engineCspool-shaped drum fitted on a winchDswinging derrick
单选题（）, or drum is used for hauling in or letting out the wires or ropes which will fasten the ship to the shore.AThe winch motorBThe band brakeCThe winch barrelDThe anchor capstan
单选题Lines on a chart which connect points of equal magnetic variation are called （）.Amagnetic latitudesBmagnetic declinationsCdipDisogonic lines
单选题A “stopper” is（）.Aa short length of line used for temporarily holding another lineBa snatch block for handling a topping liftCan engine order telegraphDthe brake on a cargo winch
单选题The rolling hitch could be used to（）．Ajoin two lines of different sizesBjoin two lines of equal sizesCadd strength to a weak spot in a lineDact as a stopper to transfer a line under strain
单选题23.int z=5； 24. 25. public void stuff1（int x） { 26. assert （x 0）； 27. switch（x） { 28. case 2： x= 3； 29. default： assert false； } } 30. 31. private void stuff2（int y） { assert （y 0）； } 32. 33. private void stuff3（） { assert （stuff4O）； } 34. 35. private boolean stuff4（） { z = 6； return false； } Which is true？（）A All of the assert statements are used appropriately.B Only the assert statement on line 31 is used appropriately.C The assert statements on lines 29 and 31 are used appropriately.D The assert statements on lines 26 and 29 are used appropriately.E The assert statements on lines 29 and 33 are used appropriately.F The assert statements on lines 29， 31， and 33 are used appropriately.G The assert statements on lines 26， 29， and 31 are used appropriately.
单选题The clutch band of a constant tensioning mooring winch must be set up tight enough to drive the winch drum and should slip only when （）.Aexcessive loads are placed on the winchBminimum pull is being exerted by the winchCautomatic operation of the winch is desiredDwire is being retrieved at the maximum rate
单选题In towing，heaving lines are used for（）.Apassing a tow bridle to the tugBpassing a messenger lineCheaving in the tow bridleDservice lines with rocket line throwers
单选题A serving mallet is used in（）.Acovering wire or fiber ropeBforcing fids into a lineCdogging hatchesDsplicing lines
单选题The （） is used to handle the ropes and wires.Asteering gearBwindlassCdeck craneDwarping drum
单选题If two mooring lines are to be placed on the same bollard，which method is BEST?（）.APlace the eye from the forward line on the bollard and then place the eye from the second line directly over the firstBIt makes no difference how the lines are placedCPlace the eye from either line on the bollard，and then bring the eye of the other line up through the eye of the first，and place it on the bollardDPlace both eyes on the bollard，in any manner，but lead both lines to the same winch head on the vessel and secure them on the winch
单选题A “sheepshank” is used to（）.Akeep a line from frayingBjoin lines of unequal sizeCstop off a lineDshorten a line
单选题Which tool is used to open the strands of fiber lines when making an eye splice?（）ABelaying spikeBFidCHeaverDPricker
单选题The knot used to join two lines or two large hawsers for towing is called a（）.Asquare knotBcarrick bendCsheet bendDbowline
单选题What is TRUE concerning frapping lines?（）AThey are used to steady a lifeboat when loweredBThey are normally attached to the davit spanCThey are needed only on radial davitsDThey are used to clear the puddings