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单选题

双壳油船与单壳油船区别是()

发布日期:2021-03-22

双壳油船与单壳油船区别是()
A

舷侧双层、底部单层

B

舷侧和底部均为双层

C

舷侧单层、底部双层

D

底部和甲板为双层

试题解析

双壳油船

双壳油船,是指双层底、船侧具有内外两层壳板的运油“船舶”。为了进一步改善海上石油运输安全,国际海事组织海上环境保护委员会第44次会议一致同意把采用双壳油船、逐步淘汰单壳油船看作消除不合格油船措施的一个重要方面,并于2001年4月MEPC第46次会议上正式通过了单壳油船淘汰方案,作为《国际船舶防污染公约》3G款的修正条款。按照该方案,单壳油船最晚淘汰的年份将是2017年。

中文名
双壳油船
优势
节省运送需要加热的液体
特点
两层外壳
运行时间
2015年

油船

油船,是指运载石油及石油产品(如柴油、汽油和重油等)的“船舶”。其结构特点是:①用油泵通过管路装卸货物,故甲板上没有起货设备和大的货舱口,但设有入孔舱口。②由于石油易于挥发、燃烧和爆炸,故对防火安全要求严格,国际海事组织1978年议定书规定,载重量2万t以上的新造油船,须有惰性气体防爆设施,机舱须设在尾部。③货油舱用多道纵舱壁和多道横舱壁分隔,以减小自由液面对稳性的影响。④船体长深比大,弯曲力矩大,故多采用纵骨架式结构,以增加纵向强度。⑤运输常为单方向的,回程空放时为保持一定的吃水,须装载大量压载水,故现代大型油船须设有专用压载水舱,或用油舱装压载水,压载以前须将油舱洗净,因此油船必须设有原油洗舱设备。随着石油产量和运输量的迅速增长,油船向大型化发展,世界上最大的油船是日本的“海上巨人”号,总长458.54m,船宽68.8m,型深29.8m,吃水24.6m,载重量56万吨。

中文名
游船
功能
载运散装石油及成品油
国家
英国
外文名
tankship
时间
1886年

单壳

是一种物理学上的被新命名的微粒反应,对此还没有一个被公认的解释

中文名
单壳
包括
胞质团的准粒子
外文名
nanoshell
外包薄
金属

标签: 油船 油船

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