正确答案: C

Ⅰ或Ⅱ对

题目：产品的维修度是表示产品（）。Ⅰ.对维护、修理的适应性；Ⅱ.维修的难易程度

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学习资料的答案和解析：

[单选题]能反映故障概率变化情况的是（）。Ⅰ.故障率λ（t）；Ⅱ.密度函数f（t）

Ⅰ，Ⅱ都对

[单选题]滑油系统预热的方式有（）。Ⅰ.蒸汽加热；Ⅱ.电加热；Ⅲ.分油机分油加热；.Ⅳ.热水加热

Ⅰ+Ⅲ

[单选题]Which of the following firing order may be used for an 6 cylinder engine?（）

1-5-3-6-2-4

[单选题]For Vee-form engines, （） is shaped to given two slopping surface on which （） are placed at the correct relative angle to each other.

the top of the column；the cylinder blocks

[单选题]The procedures recommended for auxiliary boilers having high salinity include （）.

securing the boiler and giving it a blowing down

[单选题]The part of a windlass which physically engages the chain during hauling or paying out is the（）.

wildcat