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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 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 “ 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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你想把引航员梯装在哪一舷？（）A、On which side must I rig the pilot ladder?B、On which side do you want the ladder rigged?C、On what side must I rig the pilot ladder?D、On which side do you want the gangway rigged?
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单选题Which statement comparing a shipboard crane to conventional gear is TRUE（）.A
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单选题The purpose of a preventer as it is used on a conventional yard and stay cargo rig is to（）.A
allow greater than normal loads to be handled by the gearB
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prevent the inboard guy from parting due to stresses during cargo handling
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dump valveB
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separatorD
diverter
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accumulatorD
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单选题What equipment is customarily used when seamen are working on a stage rigged over the side of a vessel（）.A
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单选题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
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secure them so the angle between them is 90°at the boom head
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单选题The maximum theoretical stress that can be developed on a guy in a yard and stay rig is limited by the（）.A
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location of the boomC
position of the guyD
weight of the load
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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
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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单选题你想把引航员梯装在哪一舷？（）A
On which side must I rig the pilot ladder?B
On which side do you want the ladder rigged?C
On what side must I rig the pilot ladder?D
On which side do you want the gangway rigged?
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单选题A preventer guy（）.A
prevents anyone from working the cargo at unauthorized timesB
is a safety measure in case one of the outboard guys partsC
is a longshoreman who watches for accidentsD
is the same as a blacksmith
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单选题The safest procedure used to rig a guy and preventer is to have the guy（）.A
and preventer have equal stressB
stronger than the preventer to minimize the danger of separationC
take a lighter load than the preventer as a safety factorD
take the stress in case the preventer parts
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close and seal around the drill pipeB
close and seal around casingC
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close and seal around drill collars
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单选题In a married falls rig at the after end of a hatch，a boom is rigged in a fore and aft line through its heel.Stresses on the outboard guy will be LEAST if the guy is made fast at a point（）.A
Abreast the heelB
At right angles to the boom when viewed from aboveC
Aft of the heelD
Forward of the spiderband
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单选题In a married falls rig at the after end of a hatch , a boom is rigged in a fore and aft line through its heel . Stresses on the outboard guy will be least if the guy is made fast at a point（）.A
abreast the heelB
at right angles to the boom when viewed from aboveC
aft of the heelD
forward of the spiderband
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单选题Which part provides for transverse control and positioning of a boom in a conventional yard and stay system（）.A
GuyB
ShroudC
SpiderD
Topping lift
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