【名词&注释】
螺旋桨(propeller)、船舶动力装置(marine power plant)、发动机凸轮轴
[单选题]GSK983进行DNC方式操作时,方法是进入()
A. 通讯方式,任意选择程序号输入
B. 通讯方式,选择100号程序输入
C. 自动方式,选择100号程序输入
D. 自动方式,任意选择程序号输入
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学习资料:
[单选题]发动机换向所需的时间是指()。
A. 转速为零时,由发出换向命令到主机以相反方向开始工作的时间
B. 主机在最低稳定转速时,由发出换向命令到主机以相反方向开始工作的时间
C. 由执行换向命令到发动机凸轮轴换向到位发出反馈信号为止的时间
D. 由执行换向命令到发动机相反方向运转并达到要求转速的时间
[单选题]船舶动力装置的主要耗能设备是()。Ⅰ.螺旋桨;Ⅱ.主机、发电机和辅助锅炉;Ⅲ.空气压缩机
A. 仅Ⅰ对
B. 仅Ⅱ对
C. Ⅰ+Ⅱ
D. Ⅰ+Ⅲ
[单选题]No specific period is given for the renewal of the lubricating oil filter element as this should be done() a figure of 0√7 bars is shown on the gauge.
A. whatever
B. whenever
C. wherever
D. whoever
[单选题]The power generated in the turbine must () that required by the compressor.
A. be less than
B. be larger than
C. be as large as
D. not be so large a
[单选题]Lubricating systems for diesel engines are usually designed to initially provide lube oil to the engine ()
A. camshaft beatings
B. main bearings
C. piston crowns
D. cylinder wall
[单选题]The ship has a diesel engine()a supercharger.
A. with
B. of
C. on
D. over
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