船舶索具及保养

《船舶索具及保养》由会员上传分享，免费在线阅读，更多相关内容在教育资源-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、_

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

3、ndatwo-inchcircumferenceC．6strandsandatwo-inchdiameterD．6strandsandatwo-inchcircumference6、A6x19wireropewouldbe______．cA．6inchesindiameterand19fathomslongB．6inchesincircumferencewith19strandsC．6strandswith19wiresineachstrandD．19strandswith6wiresineachstrand7、Ablockandtackleis

4、“rovetoadvantage”．Thismeansthatthe______．cA．blockshavebeenoverhauledB．haulingpartsoftwotacklesareattachedC．haulingpartleadsthroughthemovableblockD．haulingpartleadsthroughthestandingblock8、Acargoboomisa______．aA．doublesizedmattressconsistsofmorethan890coils．B．sparextendingfrom

5、amastorakingpostC．flap（Beckerrudder）canbefittedtotherudder’strailingedgeD．bridlearrangementhavingalongbeamofthelengthofthecontainer9、Achainbridleispreferabletoawireropetowingbridleonalongoceantowbecausechain______．dA．ismoreflexibleandhastheabilitytoabsorbshockbecauseofitsweig

6、htB．islesssubjecttowearanddamagefromabrasionC．requireslittlemaintenanceD．Alloftheabove10、Achainbridleisusedwhentowingasternbecauseit______．b13A．IseasytoconnectB．ProvidesaneffectivecatenaryandabsorbsshockduetoitsweightC．MakesriggingaswivelunnecessaryD．Preventsthetowfromyawingb

7、ythedragofthechainsinaseaway11、AChinesestopper（twolines）willholdbestwhenyou______．bA．fastenthebitterendstothemooringlinewithhalfhitchesB．twisttheendstogetherandholdtheminthedirectionofthepullC．twisttheendstogetherandholdtheminthedirectionoppositetothepullD．twisttheendstogethe

8、randholdthematrightanglestothemooringline12、Acommonclassofwireropeis