正确答案: A

strength

题目：Acid solution（） in the system can be tested from time to time by putting some on to a piece of lime.

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学习资料的答案和解析：

[单选题]（）时应对增压器转子进行动平衡试验。

B．更换部分叶片

[单选题]相邻轴同轴，其连接法兰处偏中值为（）。

A．δ＝0、φ＝0

[单选题]中间轴承的工作轴颈一般较非工作轴颈大（）mm。

5～20

[单选题]船轴工作轴颈磨损严重时，可依据磨损程度采用（）等方法予以修复。Ⅰ.打磨；Ⅱ.光车；Ⅲ.喷涂恢复尺寸；Ⅳ.镀铁恢复尺寸；Ⅴ.镶钢套。

Ⅱ＋Ⅲ＋Ⅳ＋Ⅴ

[单选题]In a purifier, the interface between the liquid seal and the oil should be positioned as close as possible to （）.

the bowl periphery

[单选题]On opposite ends of a single shaft of a turboblower are a gas driven （）and a air compressor, which are sealed each other.

turbine

[单选题]With regards to a diesel engine crankcase explosion, the most violent is the（）(1) primary explosion(2) secondary explosion

(2) only

[单选题]How would the exhaust of a properly operating diesel engine appear?（）.

Perfectly clear