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单选题
The preventer guy，as used on a conventional yard and stay rig，（）.
A
is rigged at an angle of 70°to 90°from the guy it assists
B
takes the strain imposed on the schooner guy when burtoning cargo
C
is rigged when lifting cargo that exceeds the SWL of a single whip
D
should take the strain if the regular guy parts
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更多 “单选题The preventer guy，as used on a conventional yard and stay rig，（）.A is rigged at an angle of 70°to 90°from the guy it assistsB takes the strain imposed on the schooner guy when burtoning cargoC is rigged when lifting cargo that exceeds the SWL of a single whipD should take the strain if the regular guy parts” 相关考题
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If the cargo gear on your vessel is equipped with a regular guy and a preventer guy，you should ______．A.Let the schooner guy take most of the strain，thus transferring the load to the opposite boomB.Leave the preventer guy slackC.Secure them as close together as possible on deckD.Secure them so the angle between them is 90° at the boom head
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The preventer guy，as used on a conventional yard and stay rig，______．A.Is rigged at an angle of 70° to 90° from the guy it assistsB.Takes the strain imposed on the schooner guy when burtoning cargoC.Is rigged when lifting cargo that exceeds the SWL of a single whipD.Should take the strain if the regular guy parts
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单选题Which statement comparing a shipboard crane to conventional gear is TRUE（）.A
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考题
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考题
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单选题The preventer guy，as used on a conventional yard and stay rig，（）.A
is rigged at an angle of 70°to 90°from the guy it assistsB
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is rigged when lifting cargo that exceeds the SWL of a single whipD
should take the strain if the regular guy parts
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考题
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考题
单选题The safest procedure used to rig a guy and preventer is to have the guy（）.A
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