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章节练习
历年真题
历年真题

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考前押题

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考试试题

[单选题]A slow-speed two-stroke diesel is usually arranged to operate continuously on heavy fuel oil and has available a _____ supply for manoeuvring conditions.
[单选题]舵机液压系统中有空气会导致____。
[单选题]Black smoke exhausting from an operating diesel engine is an indication of poor combustion which may be caused by ________.
[单选题]定时维修方式是按照________对机械设备进行检修，以防止故障发生
[单选题]The fine filters will be arranged _____ one can be cleaned while the other is operating.
[单选题]Routine monitoring of a diesel engine should include ____ .
[单选题]影响发动机加速时间的因素有______。 Ⅰ．运动部件的质量惯性；Ⅱ．运动部件的热惯性；Ⅲ．固定部件的热惯性；Ⅳ．受热部件的热惯性。
[单选题]关于动力装置机动性理解不正确的是______。
[单选题]Which of the following is a factor of fuel oil having nothing to do with the formation of combustion products?
[单选题]铁谱分析法是通过检测油样中________进行故障诊断的方法
[单选题]舵机闭式系统选用辅泵或高位、低位油箱补油取决于____。
[单选题]箱形中底桁的作用有____①布置舱底管系②装压载水③支撑墩木反力④作应急出口⑤承担纵向强度⑥承担横向强度
[单选题]下列关于溢流管的说法中哪项是错误的___________
[单选题]火焰粉末喷熔工艺适用于修复磨损、腐蚀的零件或同时还承受______载荷的零件。
[单选题]面积饱和度Ks和容积饱和度Kv是衡量机舱内机械设备布置紧凑程度的指标，在确保动力装置通风散热良好和方便维修的前提下，Ks和Kv应______。
[单选题]船舶局部强度是指船体结构抵抗局部外力作用的能力。下列不是局部外力产生原因的是______。