Fix the fuel injector into （） after repair.

【名词&注释】

舵系中心线

[单选题]Fix the fuel injector into （） after repair.

A. the cylinder liner
B. the cylinder cover
C. the cylinder jacket
D. the pisto

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学习资料：

[单选题]由于铁梨木需进口，价格较高，故采用（）作为铁梨木的代用材料。

A. 尼龙
B. 桦木层压胶木
C. 橡胶
D. 赛龙

[单选题]用拉线法检查舵系中心线的状态时所使用的钢丝直径一般（）。

A. 不小于0.8mm
B. 不大于0.8mm
C. 不小于1.0mm
D. 不大于1.0mm

[单选题]After the order “（）” is given, the air system is shut down, the turning gear put in.

A. Finished with Engine
B. Stop the Engine
C. Stand-by Engine
D. Slow-down Engine

[单选题]Before being used the fuel service tank should be drained of （）.

A. soda solution
B. mechanical impurities
C. ballast
D. water and residual

[单选题]When turning the engine with turning gear, you should keep the indicator cocks （）.

A. attached to the indicators
B. opened
C. closed
D. broke

[单选题]Which of the following is a factor of fuel oil almost having nothing to do with the formation of combustion products?（）

A. setting point
B. ash
C. sulfur content
D. carbon residue

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