
【名词&注释】
生物降解(biodegradation)、在航机动船
[单选题]在海面溢油状态自然变化过程中,对消除溢油一点作用也不起的是______
A. 乳化
B. 蒸发
C. 生物降解
D. 沉积
查看答案&解析
举一反三:
[单选题]MARPOL公约附则II规定的特殊区域是:
A. 南极区域
B. 红海区域
C. 黑海区域
[单选题]“瞭望”的目的是:
A. 对当时的局面及碰撞危险作出充分的估计
B. 及早发现来船,并对其是否与本船构成碰撞危险作出系统的分析
C. 避免紧迫局面
D. 避免紧迫危险
[单选题]_______control system is one in which the control action is independent of the output.
A. Feed back
B. Negative feed back
C. Close loop
D. Open loop
[单选题]船长小于____米的在航机动船,当其最高航速不超过____节时可用一盏白灯代替其他号灯。
A. 20,7
B. 12,10
C. 7,7
D. 7,10
[单选题]The plunger in a jerk pump is rotated until the release port is uncovered If the port remains uncovered all of the time, which of the listed operations will occur?
A. No fuel will be delivered
B. The maximum effective stroke will be attained
C. The fuel delivered to the cylinder will be excessive
D. The injection nozzle will overheat and carbonize
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