正确答案: C

Ⅰ＋Ⅳ＋Ⅴ

题目：通常艉轴管装置主要由（）构成。Ⅰ.艉轴管本体，Ⅱ.衬套，Ⅲ.轴承衬，Ⅳ.艉轴承，Ⅴ.密封装置。

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学习资料的答案和解析：

[单选题]舵杆弯曲变形时直线度误差＞2mm/m，允许采用（）修复。

热校直

[单选题]Exhaust temperature increases in all cylinders, the possible cause may be（）(1) increased scavenging air temperature(2) air in fuel pumps and fuel valves(3) fouling of air and gas passages

(1)+(3)

[单选题]The common method of applying oil to the cylinder walls is by means of small pump assembled in units, known as （）.

mechanical lubricator

[单选题]In an auxiliary boiler steam and water system, the highest pressure will be in the （）.

feedwater system