【名词&注释】
观察法、密封圈(seal ring)、差压变送器(differential pressure transmitter)、测量法(measurement)、落水者(fall in water person)
[单选题]检查活塞顶部烧蚀的方法是
A. 观察法
B. 听响法
C. 测量法
D. 液压试验法
查看答案&解析
点击获取本科目所有试题
举一反三：
[单选题]落水者(fall in water person)在水中游泳，不正确的呼吸方法是：
A. 鼻吸口呼
B. 鼻呼口吸
C. 口吸鼻呼
[单选题]在单杠杆差压变送器的测量膜盒中，为防止单向受力而被压坏，在结构上应采取的措施为( )。
A. 金属膜片加装硬芯
B. 加装密封圈和充注液体
C. 金属膜片滚焊在基座上
D. 金属膜片刚度要尽量大
[单选题]Which of the following factors tends to increase scale formation on the saltwater side of a heat exchanger used in a diesel engine cooling water system?
A. Baffle plates that have been bent during prior removal
B. Leaks m the cooler tube nest
C. Operating the engine while maintaining a high sea water outlet temperature
D. A punctured sea water strainer supplying cooling water to the heat exchanger
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