
【名词&注释】
消化性溃疡(peptic ulcer)、柴油机(diesel engine)、不稳定(unstable)、电子调速器(electronic governor)、机动船(motor vessel)、《油类记录簿》(oil record book)
[单选题]装有双脉冲电子调速器的柴油机,当负荷降低、转速升高时,则控制单元输出( )。
A. 正值信号
B. 负值信号
C. 零值信号
D. 不稳定信号
查看答案&解析
举一反三:
[单选题]Every liquid has a pressure at which it will vaporize and this pressure varies with temperatureThe word “which” means _____.
A. a liquid
B. a pressure
C. a temperature
D. none of the above
[单选题]《油类记录簿》(oil record book)有统一规定的格式,下列的作业中不需要记入机舱《油类记录簿》(oil record book)的作业项目是()
A. 燃油舱的压载或清洗
B. 压载舱的压载或清洗
C. 燃油舱压载水或洗舱水的排放
D. 机舱残油污泥的处理
[单选题]消化性溃疡并发出血时可出现______。
A. 脓血样便
B. 米汤样便
C. 柏油样便
D. 粘液样便
[单选题]The chief foreman asked the stevedores not to forget to use separation nets to avoid________ different lots of cargo
A. mix in
B. mix with
C. mixing up
D. mixing into
[单选题]帆船在航道里从机动船(motor vessel)左舷追越并需要机动船(motor vessel)采取行动时,帆船应是:
A. 直航船,追越前应鸣放二短声
B. 直航船,不必鸣放声号
C. 让路船,追越前应鸣放二长二短声
D. 让路船,不必鸣放声号
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