《船舶索具及保养》word版

《《船舶索具及保养》word版》由会员上传分享，免费在线阅读，更多相关内容在应用文档-天天文库。

1、船舶索具及保养1、______aretwoverticalsupports，usuallysteel，oneeachsideofthecenterlineoftheshipusedtosupportbooms．bA．ShroudsB．KingpostsC．StaysD．Turnbuckles2、______areusedforanchorgearinmarineworkwherethechainsmustwithstandthecorrosiveeffectsofseawater．aA．ChainsB．WiresC．RopesD．Lines3、______provide

2、athwartshipsupportforthemastorkingposts．aA．ShroudsB．KingpostsC．StaysD．Turnbuckles4、A“sheepshank”isusedto______．dA．keepalinefromfrayingB．joinlinesofunequalsizeC．stopoffalineD．shortenaline5、A6x12，two-inchwireropehas______．cA．12strandsandatwo-inchdiameterB．12strandsandatwo-inchcircumference

3、C．6strandsandatwo-inchdiameterD．6strandsandatwo-inchcircumference6、A6x19wireropewouldbe______．cA．6inchesindiameterand19fathomslongB．6inchesincircumferencewith19strandsC．6strandswith19wiresineachstrandD．19strandswith6wiresineachstrand7、Ablockandtackleis“rovetoadvantage”．Thismeansthatthe__

4、____．cA．blockshavebeenoverhauledB．haulingpartsoftwotacklesareattachedC．haulingpartleadsthroughthemovableblockD．haulingpartleadsthroughthestandingblock8、Acargoboomisa______．aA．doublesizedmattressconsistsofmorethan890coils．B．sparextendingfromamastorakingpostC．flap（Beckerrudder）canbefittedt

5、otherudder’strailingedgeD．bridlearrangementhavingalongbeamofthelengthofthecontainer9、Achainbridleispreferabletoawireropetowingbridleonalongoceantowbecausechain______．dA．ismoreflexibleandhastheabilitytoabsorbshockbecauseofitsweightB．islesssubjecttowearanddamagefromabrasionC．requireslittle

6、maintenanceD．Alloftheabove10、Achainbridleisusedwhentowingasternbecauseit______．bA．IseasytoconnectB．ProvidesaneffectivecatenaryandabsorbsshockduetoitsweightC．MakesriggingaswivelunnecessaryD．Preventsthetowfromyawingbythedragofthechainsinaseaway11、AChinesestopper（twolines）willholdbestwhenyo

7、u______．bA．fastenthebitterendstothemooringlinewithhalfhitchesB．twisttheendstogetherandholdtheminthedirectionofthepullC．twisttheendstogetherandholdtheminthedirectionoppositetothepullD．twisttheendstogetherandholdthematrightanglestothemooringline12、Acommonclassofwireropeisth