Which of the following problems can occur if you continually

【名词&注释】

螺旋桨(propeller)、灭火器(extinguisher)、消防队(fire brigade)

[单选题]Which of the following problems can occur if you continually fail to drain off condensate from a starting air receiver?

A. Corrosion and eventual failure of the tank
B. Gumming of the tank relief valves
C. Immediate failure of components downstream of the compressed air system
D. Boiling of the water oil mixture as pressure is reduced

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举一反三：

[单选题]消防队中最重要的小组之一是∶

A. 水龙组。
B. 手携灭火器组。
C. 探火组。
D. 固定灭火组。

[单选题]螺旋桨的推力在()处传给船体。

A. 中间轴承
B. 主轴承
C. 推力轴承
D. 连杆轴承

[单选题]A diesel engine exposed to widely varying ambient temperatures should use to a lubricating oil with .

A. a high viscosity index
B. a low viscosity index
C. neutralize acids
D. resist oxidation at high temperatures

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