The globe valve has a bulbous body, housing a valve seat and

【名词&注释】

消防系统(fire fighting system)、机电设备(electromechanical equipment)、大事记(chronicle)、废气涡轮机、绝热过程(adiabatic process)、有关规定(related regulations)、等温过程(isothermal process)、等压过程(isobaric process)

[单选题]The globe valve has a bulbous body, housing a valve seat and screw down plug or disc arranged at right angles to the axis of the pipeAccording to the above sentence, which of the following statements is not true?

A. The profile of the valve is like a globe
B. The valve seat is set into the bulbous body
C. The plug or disc of the valve is made vertical to the axis of the pipe
D. The valve seat is located at right side of the plug or disc

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举一反三：

[单选题]废气涡轮机的实际压缩过程是( )。

A. 多变过程
B. 等温过程^{(isothermal process)}
C. 等压过程^{(isobaric process)}
D. 绝热过程

[单选题]《轮机日志》大事记栏有大管轮负责填写，应当记载____内容.Ⅰ.机电设备发生故障的原因及处理过程Ⅱ.船舶应急设备的检查、试验情况Ⅲ.船舶固定消防系统的检查、试验情况Ⅳ.船舶重要设备的检修及进行明火作业的部位、审批情况

A. Ⅰ+Ⅱ+Ⅲ+Ⅳ
B. Ⅰ+Ⅱ+Ⅲ
C. Ⅱ+Ⅲ
D. Ⅰ+Ⅱ

[单选题]根据ISM规则有关规定^{(related regulations)}，船长命令属于______。

A. 受控的外来文件
B. 受控的公司文件
C. 非受控文件
D. 以上都不准确

[单选题]曲折反映了两相邻轴轴心线呈( )的状态。

A. 平行
B. 不重合
C. 相交且法兰中心未对准
D. 相交且法兰中心对准

[单选题]脊柱损伤造成脊髓或马尾的损伤可发生______。

A. 偏瘫
B. 截瘫
C. 失语
D. 痴呆

[单选题]Among the basic categories of equipment, which of the following are used to allow the hydraulic energy to be controlled?

A. hydraulic pumps
B. valves
C. hydraulic cylinders
D. hydraulic motors

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