
【名词&注释】
相互关系(relationship)、螺杆泵(screw pump)、滚动轴承、地中海(mediterranean)、防污染、不间断(nonbreak)、加勒比海(caribbean sea)、能见度不良(restricted visibility)、明确规定(clearly stipulated)、书面报告(written report)
[单选题]关于内轴承式双螺杆泵的下列说法中错误的是( )。
A. 只能输送润滑性液体
B. 有4个滚动轴承
C. 只有1个轴封
D. 有单独的轴承润滑系统,
查看答案&解析
举一反三:
[单选题]对管理、执行以及审核监控安全和防污染工作的所有人员,公司应当用____明确规定(clearly stipulated)其责任、权利和相互关系。
A. 文件形式
B. 口头布置
C. 书面报告(written report)
D. 当面布置
[单选题]关于保持正规了望,下列说法中哪个正确:
A. 只要能发现碰撞危险,就意味着保持的了望是正规的
B. 保持正规瞭望,就意味着在任何时候,每一船舶应采取适合当时环境和情况下一切有效手段保持系统的观察
C. 只要船舶使用视觉进行不间断的观察,即可认为保持着正规的了望
D. 保持正规瞭望,就意味着在任何时候,每一船舶可使用任一手段进行不间断的观察
[单选题]An automobile sling is used for ________
A. lifting aircraft and helicopters
B. lifting any kinds of cargo
C. lifting the heavy boxes
D. lifting cars and trucks
[单选题]MARPOL公约附则Ⅴ中规定的特殊区域不包括______。
A. 地中海区域
B. 南极区域
C. 泛加勒比海(caribbean sea)区域
D. 亚丁湾区域
[单选题]A segregated ballast system is a system where
A. all ballast is processed through the oily water separator
B. ballast is taken on and discharged through a separate main deck
C. ballast and cargo tanks are separated by cofferdams
D. all ballast lines, tanks, and pumps are independent of those used for oil
[单选题]Why is it necessary to warn engine room personnel before activating the fixed CO2 system?
A. To make them aware there is a fire
B. To let them know they should leave the engine room
C. To prevent possible injury from frostbite
D. To make them aware that ventilation will automatically stop
[单选题]在能见度不良(restricted visibility)时,所谓的安全航速是指________。
A. 备车并以缓慢的速度行驶
B. 能维持舵效的最小速度
C. 能在能见距离一半的距离内把船停住的速度
D. 以上说法均不确切
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