【名词&注释】
换热器(heat exchanger)、促进血液循环(promote blood circulation)、惰性气体(inert gas)、排污管(drain pipe)、分工负责(division of individual responsibility)、亚共析钢(hypoeutectoid steel)、轮机长(chief engineer)、有助于(helpful to)、机动船(motor vessel)
[单选题]需拆检排污管系时，由＿分工负责。
A. 轮机长(chief engineer)
B. 大管轮
C. 二管轮
D. 三管轮
查看答案&解析
举一反三：
[单选题]Take down ___ (G旗).
A. Flag “H”
B. Flag “G”
C. Flag “Q”
D. Flag
[单选题]If the compensating needle valve of a hydraulic governor is opened more than necessary the governor will .
A. have a larger than normal dead band
B. produce excessive speed response to a load change
C. respond slowly to any change in engine load
D. stabilize engine speed at the new governor setting
[单选题]热敷有助于(helpful to)______。
A. 促进血液循环
B. 加速炎症吸收
C. 减轻疼痛
D. 以上都对
[单选题]双风管空调系统的优点不包括( )。
A. 可增大送风量
B. 调节时可不影响送风量和室温均匀
C. 可省去末端换热器，方便管理
D. 调节灵敏
[单选题]The power factor of an AC generator operating singularly is determined by the_______ .
A. connected load
B. prime mover speed
C. field excitation
D. generator's rated voltage
[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
[单选题]对油轮，为防止在油舱内油面上方形成可引起爆炸的混合气体，要充添惰性气体，使舱内氧气含量降至______。
A. 15%以下
B. 12%以下
C. 8%以下
D. 11%以下
[单选题]下列哪种船舶应用适合当时环境和情况的一切有效手段判断是否存在碰撞危险？________。
A. 机动船(motor vessel)
B. 每一船舶
C. 除失控船外的所有船舶
D. 除锚泊船、搁浅船和失控船外的所有船舶
[单选题]亚共析钢的室温平衡组织是( )。
A. F
B. P
C. F+P
D. P+Fe3C
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