【名词&注释】
增压器喘振(turbocharger surge)
[单选题]采用人工就地修复轴颈上的擦伤或腐蚀时,可以选用的工具有()。Ⅰ.细砂纸;Ⅱ.油石;Ⅲ.油光锉;Ⅳ.磨光夹具;Ⅴ.麻绳。
A. Ⅰ+Ⅱ+Ⅲ+Ⅴ
B. Ⅰ+Ⅱ+Ⅲ
C. Ⅰ+Ⅱ
D. Ⅰ+Ⅱ+Ⅲ+Ⅳ+Ⅴ
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学习资料:
[单选题]增压器喘振的常见原因是()。
A. 叶片折断
B. 轴承损坏
C. 流道阻塞
D. 转子变形
[单选题]On top of scavenging air box is mounted a strong cast iron frame for each cylinder known as()
A. cooling jacket
B. cylinder liner
C. piston crown
D. cylinder cover
[单选题]Which of the following may take place if the clearance of the main bearings are excessive?()
A. bearing knocks
B. dropping of pressure of LO
C. noises
D. all the above
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